Business Combinations [Abstract] Schedule of Aggregate Preliminary Purchase Price Allocation Schedule of Business Acquisitions, by Acquisition [Table Text Block] Acquisitions and Investments Business Combination Disclosure [Text Block] Compensation and Retirement Disclosure [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Amortization of prior service cost Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Recognized actuarial loss Defined Benefit Plan, Actuarial Gain (Loss) Net periodic pension cost Defined Benefit Plan, Net Periodic Benefit Cost Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Inventory Disclosure [Abstract] Schedule of Inventory Schedule of Inventory, Current [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Payments Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Fair Value Disclosures [Abstract] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Carrying Value and Estimated Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Condensed Financial Information of Parent Company Only Disclosure [Abstract] CONDENSED CONSOLIDATING BALANCE SHEETS Condensed Balance Sheet [Table Text Block] CONDENSED CONSOLIDATING STATEMENTS OF COMPREHENSIVE INCOME Condensed Income Statement [Table Text Block] CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS Condensed Cash Flow Statement [Table Text Block] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Amortization of Intangible Assets Amortization of Intangible Assets Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Amortization expense in fiscal 2016 Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year Amortization expense in fiscal 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Two Amortization expense in fiscal 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Three Amortization expense in fiscal 2019 Finite-Lived Intangible Assets, Amortization Expense, Year Four Amortization expense in fiscal 2020 Finite-Lived Intangible Assets, Amortization Expense, Year Five Schedule of Net Periodic Pension Cost Schedule of Net Benefit Costs [Table Text Block] Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill, Beginning Balance Goodwill Additions from acquired businesses Goodwill, Acquired During Period Foreign currency translation adjustments Goodwill, Translation Adjustments Goodwill, Ending Balance Supplemental Guarantor Condensed Consolidating Financial Statements Condensed Financial Statements [Text Block] Earnings Per Share [Abstract] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Parent Parent Company [Member] Subsidiary Issuer Subsidiary Issuer [Member] Subsidiary Guarantor Guarantor Subsidiaries [Member] Non- Guarantors Non-Guarantor Subsidiaries [Member] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidating Adjustments Consolidation, Eliminations [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] ASSETS Assets [Abstract] Current Assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable, net Accounts Receivable, Net, Current Inventories Inventory, Net Other current assets Other Assets, Current Total Current Assets Assets, Current Property, Plant, and Equipment, net Property, Plant and Equipment, Net Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Deferred income taxes Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other long-term assets Other Long Term and Deferred Tax Assets, Noncurrent Aggregate carrying amount, as of the balance sheet date, of noncurrent assets which consist primarily of long-term investments, assets held for sale, deferred debt issuance costs, capitalized software costs, deferred sales and marketing costs, other miscellaneous long-term assets and deferred tax assets. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). Investments in and amounts due from affiliates Equity Method Investments Total Assets Assets LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current Liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Other accrued liabilities Other Accrued and Employee-related Liabilities, Current Carrying value as of the balance sheet date of obligations incurred through that date and payable arising from other transactions and employee-related liabilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Total Current Liabilities Liabilities, Current Long-Term Debt Long-term Debt, Excluding Current Maturities Deferred Income Taxes Deferred Tax Liabilities, Net, Noncurrent Other Long-Term Liabilities Other Long Term Liabilities, Accrued Pension and Self Insurance Reserves, Noncurrent Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations, which consist primarily of deferred compensation, postretirement (other than pension) and postemployment benefit obligations, uncertain tax positions libility, deferred tax credits, accrued pension liability and self insurance reserves. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Amounts due to affiliates Due to Affiliate, Noncurrent Total Stockholders’ Equity Stockholders' Equity Attributable to Parent Total Liabilities and Stockholders’ Equity Liabilities and Equity Debt Disclosure [Abstract] Schedule of Interest Expense, Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Number of reportable segments Number of Reportable Segments Equity [Abstract] Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Basic Earnings per Share: Earnings Per Share, Basic [Abstract] Net income Net Income (Loss) Attributable to Parent Less: Income attributable to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Basic Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Basic weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Basic Basic earnings per share (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Diluted Earnings per Share: Earnings Per Share, Diluted [Abstract] Net Income Less: Income attributable to participating securities Participating Securities, Distributed and Undistributed Earnings (Loss), Diluted Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Diluted Common stock equivalents (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Diluted weighted average shares outstanding (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted earnings per share (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Pension and Profit Sharing Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Accounting Policies [Abstract] Basis of Accounting Basis of Accounting, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Reclassifications Reclassification, Policy [Policy Text Block] New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Restructuring and Related Activities [Abstract] Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value by Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair value measured on recurring basis Fair Value, Measurements, Recurring [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Level 1 Fair Value, Inputs, Level 1 [Member] Level 2 Fair Value, Inputs, Level 2 [Member] Level 3 Fair Value, Inputs, Level 3 [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Senior unsecured public notes, net of unamortized discount and deferred costs Senior Notes [Member] Other long-term debt Notes Payable, Other Payables [Member] Measurement Basis [Axis] Fair Value Measurement [Domain] Portion at Fair Value Measurement [Member] Portion at Fair Value Measurement [Member] Carrying Value Reported Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets: Assets, Fair Value Disclosure [Abstract] Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Other Other Assets, Fair Value Disclosure Investment in noncontrolling affiliate Investments in Affiliates, Subsidiaries, Associates, and Joint Ventures, Fair Value Disclosure Liabilities: Liabilities, Fair Value Disclosure [Abstract] Other Other Liabilities, Fair Value Disclosure Carrying and estimated fair values of financial instruments Long-term Debt, Fair Value Income Statement [Abstract] Net Sales Sales Revenue, Goods, Net Cost of Products Sold Cost of Goods Sold Gross Profit Gross Profit Selling, Distribution, and Administrative Expenses Selling, General and Administrative Expense Special Charge Restructuring Charges Operating Profit Operating Income (Loss) Other Expense (Income): Nonoperating Income (Expense) [Abstract] Interest Expense, net Interest Revenue (Expense), Net Miscellaneous Income, net Other Nonoperating Income (Expense) Total Other Expense Nonoperating Income (Expense) Income before Provision for Income Taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Provision for Income Taxes Income Tax Expense (Benefit) Net Income Earnings Per Share: Basic Earnings per Share (in dollars per share) Basic Weighted Average Number of Shares Outstanding (in shares) Diluted Earnings per Share (in dollars per share) Diluted Weighted Average Number of Shares Outstanding (in shares) Dividends Declared per Share (in dollars per share) Common Stock, Dividends, Per Share, Declared Comprehensive Income: Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other Comprehensive Income (Expense) Items: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Defined benefit pension plans, net of tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent Other Comprehensive Expense, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive Income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Inventory, Net [Abstract] Raw materials, supplies, and work in process Inventory, Work in Process and Raw Materials Finished goods Inventory, Finished Goods, Gross Inventory gross Inventory, Gross Less: Reserves Inventory Valuation Reserves Total Inventory Significant Accounting Policies Significant Accounting Policies [Text Block] Statement of Financial Position [Abstract] ASSETS Current Assets: Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current LIABILITIES AND STOCKHOLDERS’ EQUITY Stockholders’ Equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value (in USD per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, par value (in USD per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued Common stock, shares outstanding Common Stock, Shares, Outstanding Treasury Stock, shares Treasury Stock, Shares Earning Per Share Earnings Per Share [Text Block] Net Cash Provided by Operating Activities Net Cash Provided by (Used in) Operating Activities Cash Provided by (Used for) Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Proceeds from sale of property, plant, and equipment Proceeds from Sale of Property, Plant, and Equipment Investments in subsidiaries Payments to Acquire Interest in Subsidiaries and Affiliates Acquisition of businesses, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net Cash Used for Investing Activities Net Cash Provided by (Used in) Investing Activities Cash Provided by (Used for) Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Issuance of long-term debt Proceeds from Issuance of Long-term Debt Proceeds from stock option exercises and other Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options Excess tax benefits from share-based payments Excess Tax Benefit from Share-based Compensation, Financing Activities Intercompany capital Intercompany Capital Intercompany Capital Dividends paid Payments of Ordinary Dividends, Common Stock Other financing activities Proceeds from (Payments for) Other Financing Activities Net Cash Provided by Financing Activities Net Cash Provided by (Used in) Financing Activities Effect of Exchange Rate Changes on Cash Effect of Exchange Rate on Cash and Cash Equivalents Net Change in Cash and Cash Equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents at Beginning of Period Cash and Cash Equivalents at End of Period Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Other Comprehensive Loss Items AOCI Attributable to Parent [Member] Foreign Currency Items Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Defined Benefit Pension Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Balance at August 31, 2015 Accumulated Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Expense before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Amounts reclassified from accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Balance at February 29, 2016 Description of Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Net Sales: Sales Revenue, Goods, Net [Abstract] External sales Sales Revenue, Goods, External Sales Revenue, Goods, External Intercompany sales Sales Revenue, Goods, Intercompany Sales Revenue, Goods, Intercompany Total Sales Cost of Products Sold Selling, Distribution, and Administrative Expenses Intercompany charges Intercompany Charges Intercompany Charges Interest expense, net Equity earnings in subsidiaries Temporary Equity, Interest in Subsidiary Earnings Miscellaneous expense (income), net Provision (Benefit) for Income Taxes Changes in components of accumulated other comprehensive loss items Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of comprehensive income Comprehensive Income (Loss) [Table Text Block] Special Charge Restructuring and Related Activities Disclosure [Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Share-based expense Allocated Share-based Compensation Expense Shares issued upon exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Loss Contingencies [Table] Loss Contingencies [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Trade Compliance Matter Unfavorable Regulatory Action [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Distech Controls, Inc. (Distech) Distech Controls, Inc. (Distech) [Member] Distech Controls, Inc. (Distech) [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Duration period of estimated revenue receipts from potential violations of US and Canadian sanctions Loss Contingency, Duration of Revenue Producing Activities That May Constitute Violations Loss Contingency, Duration of Revenue Producing Activities That May Constitute Violations Estimate of revenue received from potential violations of US and Canadian sanctions Business Combinations, Revenue From Activities That May Constitute Violations Business Combinations, Revenue From Activities That May Constitute Violations Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward] Beginning of period Product Warranty Accrual Warranty and recall costs Product Warranty Accrual, Preexisting, Increase (Decrease) Payments and other deductions Product Warranty Accrual, Payments Acquired warranty and recall liabilities Product Warranty Accrual, Additions from Business Acquisition End of period Accounts receivable, less reserve for doubtful accounts of $1.9 and $1.3 as of February 29, 2016 and August 31, 2015, respectively Inventories Prepayments and other current assets Prepaid Expense and Other Assets, Current Property, Plant, and Equipment, at cost: Property, Plant and Equipment, Net [Abstract] Land Land Buildings and leasehold improvements Buildings and Improvements, Gross Machinery and equipment Machinery and Equipment, Gross Total Property, Plant, and Equipment Property, Plant and Equipment, Gross Less — Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property, Plant, and Equipment, net Other Assets: Assets, Noncurrent [Abstract] Intangible assets, net Other long-term assets Other Long Term Assets Aggregate carrying amount, as of the balance sheet date, of noncurrent assets which consist primarily of long-term investments, assets held for sale, deferred debt issuance costs, capitalized software costs, deferred sales and marketing costs and other miscellaneous long-term assets. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). Total Other Assets Assets, Noncurrent Current Liabilities: Accounts payable Current maturities of long-term debt Long-term Debt, Current Maturities Accrued compensation Employee-related Liabilities, Current Other accrued liabilities Other Accrued Liabilities, Current Long-Term Debt Accrued Pension Liabilities, less current portion Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Deferred Income Taxes Self-Insurance Reserves, less current portion Self Insurance Reserve, Noncurrent Other Long-Term Liabilities Other Liabilities, Noncurrent Total Liabilities Liabilities Commitments and Contingencies Commitments and Contingencies Preferred stock, $0.01 par value; 50,000,000 shares authorized; none issued Preferred Stock, Value, Issued Common stock, $0.01 par value; 500,000,000 shares authorized; 53,236,095 issued and 43,516,840 outstanding at February 29, 2016; 53,024,284 issued and 43,305,029 outstanding at August 31, 2015 Common Stock, Value, Issued Paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Treasury stock, at cost, 9,719,255 shares at February 29, 2016 and August 31, 2015 Treasury Stock, Value Total Stockholders’ Equity Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Activity by Actions Year [Axis] Restructuring Activity by Actions Year [Axis] Restructuring Activity by Actions Year [Axis] Restructuring Activity by Actions Year [Domain] Restructuring Activity by Actions Year [Domain] Restructuring Activity by Actions Year [Domain] Fiscal 2015 Actions Restructuring Activity Fiscal 2015 Actions Restructuring Activity [Member] Fiscal 2015 Actions Restructuring Activity [Member] Fiscal 2016 Actions Restructuring Activity Fiscal 2016 Actions Restructuring Activity [Member] Fiscal 2016 Actions Restructuring Activity [Member] Restructuring Cost and Reserve [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Severance and Employee Benefits Costs Employee Severance and Benefits [Member] Employee Severance and Benefits [Member] Production transfer costs Other Restructuring [Member] Contract Termination Contract Termination [Member] Severance Costs Employee Severance [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Balance, beginning of period Restructuring Reserve Payments made during the period Payments for Restructuring Balance, end of period Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Before Tax Amount Foreign Currency Translation Adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent Actuarial gain or loss Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax Prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Actuarial losses Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax Total Defined Benefit Pension Plans, net Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent Other Comprehensive Expense Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Tax (Expense) Benefit Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent, Parenthetical Disclosures [Abstract] Foreign Currency Translation Adjustments Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Portion Attributable to Parent Actuarial gain or loss Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax Prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax Actuarial losses Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax Total Defined Benefit Pension Plans, net Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax, Portion Attributable to Parent Other Comprehensive Expense Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Net of Tax Amount Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Foreign Currency Translation Adjustments Actuarial gain or loss Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Prior service cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax Actuarial losses Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Total Defined Benefit Pension Plans, net Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock options Employee Stock Option [Member] Restricted stock awards Restricted Stock [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Stock options excluded from diluted earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Inventories Inventory Disclosure [Text Block] Document and Entity Information [Abstract] Document And Entity Information Abstract. Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Filer Category Entity Filer Category Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Lines of Credit Line of Credit [Member] Letter of Credit Letter of Credit [Member] Senior unsecured public notes Nontaxable Municipal Bond Nontaxable Municipal Bonds [Member] Fixed Rate Bank Loans Notes Payable to Banks [Member] Debt Instrument [Axis] Debt Instrument, Name [Domain] Revolving Credit Facility Maturing August 27, 2019 Revolving Credit Facility Maturing August 27, 2019 [Member] Revolving Credit Facility Maturing August 27, 2019 [Member] Senior Unsecured Notes Maturing December 2019 Senior Unsecured Notes Maturing December 2019 [Member] Senior Unsecured Notes Maturing December 2019 [Member] Industrial Revenue Bond Maturing in 2021 Industrial Revenue Bond Maturing in 2021 [Member] Industrial Revenue Bond [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Line of Credit Facility [Abstract] Executed revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Maximum leverage ratio Line of Credit Facility, Leverage Ratio, Indebtedness to EBITDA Line of Credit Facility, Leverage Ratio, Indebtedness to EBITDA Minimum interest coverage ratio Line of Credit Facility, Interest Coverage Ratio Line of Credit Facility, Interest Coverage Ratio Additional borrowing capacity under revolving credit facility Line of Credit Facility, Current Borrowing Capacity Outstanding letters of credit Letters of Credit Outstanding, Amount Applicable margins based on company's leverage ratio, percentage Debt Instrument, Basis Spread on Variable Rate Facility fee, percentage Line of Credit Facility, Commitment Fee Percentage Debt Instruments [Abstract] Debt outstanding Long-term Debt Publicly traded notes, interest rate Debt Instrument, Interest Rate, Effective Percentage Interest Revenue (Expense), Net [Abstract] Interest expense Interest Expense Interest income Investment Income, Interest Interest expense, net Debt Debt Disclosure [Text Block] Accounting Changes and Error Corrections [Abstract] New Accounting Pronouncements Description of New Accounting Pronouncements Not yet Adopted [Text Block] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Juno Lighting LLC Juno Lighting LLC [Member] Juno Lighting LLC [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Cash purchase price of business to be acquired Payments to Acquire Businesses, Gross Annual revenues of acquired entity Business Acquisition, Revenue Reported by Acquired Entity for Last Annual Period Minimum Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Marketing-related Marketing-Related Intangible Assets [Member] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Customer-based Customer-Related Intangible Assets [Member] Technology-based Technology-Based Intangible Assets [Member] Purchase Price Business Combination, Consideration Transferred [Abstract] Cash paid, net of cash acquired Allocation Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net [Abstract] Goodwill Intangible assets: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Other assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Total of allocated purchase price Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Acquired intangible assets' useful lives Finite-Lived Intangible Asset, Useful Life Weighted-average amortization period of acquired finite-lived intangible assets Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Statement of Cash Flows [Abstract] Cash Provided by (Used for) Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by (used for) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization Share-based compensation expense Share-based Compensation Excess tax benefits from share-based payments Excess Tax Benefit from Share-based Compensation, Operating Activities Gain on the sale or disposal of property, plant, and equipment Gain (Loss) on Disposition of Property Plant Equipment Deferred income taxes Deferred Income Taxes and Tax Credits Change in assets and liabilities, net of effect of acquisitions, divestitures, and effect of exchange rate changes: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepayments and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Other current liabilities Increase (Decrease) in Other Accrued Liabilities Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Net Cash Provided by Operating Activities Cash Provided by (Used for) Investing Activities: Purchases of property, plant, and equipment Cash Provided by (Used for) Financing Activities: Proceeds from stock option exercises and other Dividends paid Effect of Exchange Rate Changes on Cash Net Change in Cash and Cash Equivalents Supplemental Cash Flow Information: Supplemental Cash Flow Information [Abstract] Income taxes paid during the period Income Taxes Paid Interest paid during the period Interest Paid New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Table] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Pronouncement, Early Adoption [Axis] New Accounting Principles, Early Adoption [Domain] New Accounting Principles, Early Adoption [Domain] New Accounting Pronouncement, Early Adoption, Effect New Accounting Pronouncement, Early Adoption, Effect [Member] New Accounting Pronouncement, Early Adoption [Line Items] New Accounting Pronouncement, Early Adoption [Line Items]