Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract] Disclosure Of Compensation Related Costs, Share-Based Payments [Text Block] Stock-based compensation Business Combinations [Abstract] Acquisitions Acquisitions Debt Disclosure [Abstract] Financing Arrangements Financing Arrangements Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Financial Instruments Revenue and Total Property From External Customers Attributed To Foreign Countries By Geographic Area Disclosure [Abstract] Revenue and Total Property From External Customers Attributed To Foreign Countries By Geographic Area Disclosure [Text Block] Foreign Net Revenue Revenue And Total Property From External Customers Attributed To Foreign Countries By Geographic Area Disclosure Earnings Per Share [Abstract] Net income per common share: Schedule Of Weighted Average Number Of Shares [Table Text Block] Calculation of Weighted-Average Shares Outstanding Comprehensive Income And Capital Structure [Abstract] Comprehensive Income And Capital Structure Schedule of Stockholders Equity [Table Text Block] Schedule of Stockholders Equity Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Reclassification out of Accumulated Other Comprehensive Income Schedule Of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Fair Values of Options, Black-Scholes Option-Pricing Model, Weighted-Average Assumptions Schedule Of Share-Based Compensation, Stock Options, Activity [Table Text Block] Stock Options Outstanding and Activity During the Period Schedule Of Share-Based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Restricted Shares and Units Outstanding and Activity During the Period Schedule of Long-term Debt Instruments [Table Text Block] Schedule of Long-term Debt Instruments Schedule Of Derivative Liabilities At Fair Value [Table Text Block] Fair Value of Interest Rate Derivative Instruments Schedule of Interest Rate Derivatives [Table Text Block] Schedule of Interest Rate Derivatives Statement Of Financial Position [Abstract] Statement [Table] Legal Entity [Axis] Entity [Domain] Statement [Line Items] Effect of dilutive securities: Assets ASSETS Current Assets Current assets: Cash and Cash Equivalents, At Carrying Value Cash and cash equivalents Cash and cash equivalents, beginning of year Cash and cash equivalents, end of period Accounts Receivable, Less Allowances Of 13,816 In 2011 and 11,817 In 2010 Accounts receivable, less allowance of $8,458, $9,832 and $10,989 at June 30, 2014, September 30, 2013 and June 30, 2013, respectively Inventories Inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other assets Deferred Tax Assets, Net, Current Deferred income taxes Total Current Assets Total current assets Property, Plant and Equipment, Net Property and equipment, net Goodwill Goodwill Other Assets, Net Other assets, net Total Assets TOTAL ASSETS Liabilities and Stockholders' Equity LIABILITIES AND STOCKHOLDERS' EQUITY Current Liabilities Current liabilities: Accounts Payable Accounts payable Accrued Liabilities, Current Accrued expenses Line of Credit, Current Borrowings under revolving lines of credit Current Portions Of Long-Term Obligations Current portion of long-term obligations Less: current portion Total Current Liabilities Total current liabilities Senior Notes Payable, Net Of Current Portion Senior notes payable, net of current portion Total long-term portion of borrowings under Senior Secured Credit Facility Deferred Tax Liabilities, Noncurrent Deferred income taxes Long-Term Obligations Under Equipment Financing and Other, Net Of Current Portion Long-term obligations under equipment financing and other, net of current portion Liabilities, Total Total liabilities Commitments and Contingencies (Notes 9 and 14) Commitments and contingencies Stockholders' Equity Stockholders' equity: Common Stock (Voting) .01 Par Value 100,000,000 Shares Authorized 46,154,107 Issued In 2011 and 45,663,858 Issued In 2010 Common stock (voting); $.01 par value; 100,000,000 shares authorized; 49,334,088 issued and outstanding at June 30, 2014, 48,984,550 issued and 48,898,622 outstanding at September 30, 2013, and 48,864,262 issued and 48,777,734 outstanding at June 30, 2013 Undesignated Preferred Stock 5,000,000 Shares Authorized, None Issued Or Outstanding Undesignated preferred stock; 5,000,000 shares authorized, none issued or outstanding Additional Paid In Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Retained earnings Accumulated Other Comprehensive Loss Accumulated other comprehensive income (loss) Balance at September 30, 2013 Balance at June 30, 2014 Total Stockholders' Equity Total stockholders' equity Stockholders Equity, Opening Balance Stockholders Equity, Ending Balance Total Liabilities and Stockholders' Equity TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY Award Type [Axis] Weighted Average Number Of Shares Outstanding, Basic Weighted average common shares outstanding Basic Incremental Weighted Average Shares Attributable to Dilutive Effect [Abstract] Effect of dilutive securities: Weighted Average Number Diluted Shares Outstanding Adjustment Weighted Average Number Diluted Shares Outstanding Adjustment Weighted Average Number Of Shares Outstanding, Diluted Shares for diluted earnings per share Diluted Equity Award [Domain] Employee Stock Option [Member] Stock Options Stock Option Awards Restricted Stock [Member] Restricted Stock Restricted Stock Awards Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Stock Additional Paid-in Capital [Member] Additional Paid-in Capital Retained Earnings [Member] Retained Earnings Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss) Stock Issued During Period, Value, New Issues Issuance of common stock Share-Based Compensation Stock-based compensation Stock-based compensation Net Income (Loss) Attributable To Parent Net income Net income Net income Other Comprehensive Income (Loss), Net of Tax, Total Other comprehensive loss Class of Stock [Axis] Class of Stock [Domain] Foreign Currency Transaction [Abstract] Foreign Currency Translation [Abstract] Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Balance at September 30, 2013 Balance at June 30, 2014 Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Other comprehensive income (loss) recognized in accumulated other comprehensive income Summary of Derivative Instruments [Abstract] Derivative Financial Instruments [Abstract] Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Balance at September 30, 2013 Balance at June 30, 2014 Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax Other comprehensive income (loss) recognized in accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss) [Abstract] Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Other comprehensive income (loss) recognized in accumulated other comprehensive income Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free interest rate Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Weighted Average Volatility Rate Expected volatility Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected life in years Share-Based Compensation Arrangement By Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Expected dividend yield Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-Based Compensation Arrangement By Share-Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Number Outstanding at September 30, 2013 Outstanding at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Grants In Period, Net Of Forfeitures Granted Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period Exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Canceled Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Outstanding, Number Vested or Expected to Vest at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Number Exercisable at June 30, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Number of Shares Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Vested or Expected to Vest at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding at September 30, 2013 Outstanding at June 30, 2014 Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Grants In Period, Weighted Average Exercise Price Granted Share-Based Compensation Arrangements By Share-Based Payment Award, Options, Exercises In Period, Weighted Average Exercise Price Exercised Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Canceled Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Outstanding, Weighted Average Exercise Price Vested or Expected to Vest at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Exercise Price Exercisable at March 31, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Outstanding at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Outstanding, Weighted Average Remaining Contractual Term Vested or Expected to Vest at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Exercisable at June 30, 2014 Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Exercise Price [Abstract] Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Exercise Price [Abstract] Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Outstanding, Intrinsic Value Outstanding at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Outstanding, Aggregate Intrinsic Value Vested or Expected to Vest at March 31, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Vested and Expected To Vest, Exercisable, Aggregate Intrinsic Value Exercisable at March 31, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Number Of Shares [Roll Forward] Number of Shares/Units Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Number Outstanding at September 30, 2013 Outstanding at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Lapse Of Restrictions In Period Lapse of restrictions/conversions Share based compensation arrangement by share based payment award equity instruments other than options lapse of restrictions in period. Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Canceled Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested and Expected To Vest Outstanding Number Vested or Expected to Vest at June 30, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Weighted - Average Grant Price Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Nonvested, Weighted Average Grant Date Fair Value Outstanding at September 30, 2013 Outstanding at June 30, 2014 Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Weighted Average Grant Date Fair Value Granted Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Lapse Of Restrictions Weighted Average Grant Date Fair Value Lapse of restrictions/conversions Weighted average fair value as of the lapsed date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Forfeitures, Weighted Average Grant Date Fair Value Canceled Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested and Expected To Vest Outstanding Weighted Average Grant Date Fair Value Vested or Expected to Vest at June 30, 2014 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested and Expected to Vest, Outstanding, Weighted Average Grant Date Fair Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Remaining Contractual Term [Abstract] Weighted - Average Remaining Contractual Life Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Outstanding, Weighted Average Remaining Contractual Terms Outstanding at June 30, 2014 Share Based Compensation Arrangements By Share Based Payment Award Equity Instruments Other Than Options Vested and Expected To Vest Outstanding Weighted Average Remaining Contractual Term Vested or Expected to Vest at June 30, 2014 Share-based Compensation Arrangements by Share-based Payment Award, Equity Instruments Other Than Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract] Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Outstanding at June 30, 2014 Plan Name [Axis] Plan Name [Domain] Stock Plan Twenty Zero Four [Member] 2014 Stock Plan Restricted Stock Awards [Member] Restricted Stock Awards Range [Axis] Range [Domain] Maximum [Member] Maximum Minimum [Member] Minimum Allocated Share-Based Compensation Expense, Net Of Tax Stock-based compensation expense, net of tax Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Authorized Stock-based compensation number of shares authorized Share-Based Compensation Arrangement By Share-Based Payment Award, Number Of Shares Available For Grant Stock-based compensation number of shares available for awards Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized Total unrecognized compensation cost related to unvested stock Employee Service Share-Based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized, Period For Recognition Total unrecognized compensation cost related to unvested stock, expected weighted-average period of recognition Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumption Expected Forfeitures Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumption Expected Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Forfeitures. Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Percentage of shares that will vest Accounts Receivable, Allowances Accounts receivable, allowances Common Stock (Voting), Par Value Common stock (voting), par value Common Stock (Voting), Shares Authorized Common stock (voting), shares authorized Common Stock (Voting), Issued Common stock (voting), issued Common Stock, Shares, Outstanding Common Stock (voting), outstanding Undesignated Preferred Stock, Shares Authorized Undesignated Preferred Stock, shares authorized Undesignated Preferred Stock, Issued Undesignated Preferred Stock, issued Undesignated Preferred Stock, Outstanding Undesignated Preferred Stock, outstanding Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Ford Wholesale Co [Member] Ford Wholesale Co Mcclure Johnston Co [Member] Mcclure Johnston Co Mcclure Johnston Co [Member] Contractors Roofing Supply Co [Member] Contractors Roofing Supply Co Structural Materials Co [Member] Structural Materials Co Cassady Pierce Company [Member] Cassady Pierce Company Contract Termination [Member] Contract Termination Fowler Peth Inc [Member] Fowler Peth Inc Accrued Expenses [Member] Accrued Expenses Other Non Current Liabilities [Member] Other Non-Current Liabilities Business Acquisition [Line Items] Business Acquisition [Line Items] Business Acquisition, Revenue Reported By Acquired Entity For Last Annual Period Business Acquisition, sales reported by acquired entity for last annual period Business Acquisitions Cost Of Acquired Entity Purchase Price Business Acquisitions Cost Of Acquired Entity Purchase Price The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. Business Acquisitions Purchase Price Allocation Goodwill Amount Business Acquisitions Purchase Price Allocation Goodwill Amount Amount of goodwill arising from a business combination, which is the excess of the cost of the acquired entity over the amounts assigned to assets acquired and liabilities assumed. Business Acquisition Cost Of Acquired Entity Amount In Escrow Business Acquisition, Cost of Acquired Entity, Amount in Escrow. Business Acquisition Purchase Price Adjustment And Post Closing Indemnification Claims Liabilities Amount of business acquisition, purchase price adjustments and post closing indemnification claims liabilities. Credit Facility [Axis] Credit Facility [Domain] Canadian Revolver [Member] Canadian Revolver US Revolver [Member] US Revolver Term Loan [Member] Term Loan Equipment Financing Facilities [Member] Equipment Financing Facilities Senior Notes Total borrowings under Senior Secured Credit Facility Senior Notes, Current Less: current portion Long-term Debt, Total Total borrowings under Equipment Financing Facilities Long-term Debt, Excluding Current Maturities, Total Total long-term portion of borrowings under Equipment Financing Facilities Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Interest Rate at Period End Line of Credit Facility, Expiration Date Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Hedging Designation [Axis] Hedging Designation [Domain] Dedesignated [Member] Designated Not Designated As Hedging Instrument [Member] NondesignatedMember Non-designated interest rate swaps [Member] Derivative Instrument [Axis] Derivative Contract [Domain] Interest Rate Swap [Member] Interest Rate Swap Interest Rate Swap Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 2 [Member] Level 2 Balance Sheet Location [Axis] Balance Sheet Location [Domain] Accrued Liabilities [Member] Accrued Expenses Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Designated as Hedging Instrument [Member] Designated interest rate swaps [Member] Income Statement Location [Axis] Income Statement Location [Domain] Interest Expense And Other Financing Costs [Member] Other Comprehensive Income Location [Axis] Other Comprehensive Income Location [Domain] Other Comprehensive Income (Loss) [Member] Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax Amount of gain (loss) recognized in OCI (net of tax) Gain Loss On Interest Rate Derivative Instruments Recognized In Interest Expense Financing Costs And Other Amount of gain (loss) recognized in interest expense, financing costs and other Amount of gain (loss) on interest rate derivative recognized in interest expense, financing costs and other. Derivative [Table] Cash Flow Hedging [Member] Cash Flow Hedging Interest Rate Swap Fixed Rate Of Two Point Seven Two Percent [Member] Interest Rate Swap Fixed Rate Of 2.72 % Interest Rate Swap Fixed Rate Of Three Point One Two Percent [Member] Interest Rate Swap Fixed Rate Of 3.12 % Interest Rate Swap Fixed Rate Of Three Point One One Percent [Member] Interest Rate Swap Fixed Rate Of 3.11 % Interest Rate Swap Fixed Rate Of One Point Three Eight Percent [Member] Interest Rate Swap Fixed Rate Of 1.38 % Derivative [Line Items] Derivative [Line Items] Derivative, Fixed Interest Rate Interest rate swap, interest rate Derivative, Maturity Date Derivative, Maturity Date Increase Decrease In Fair Value Of Interest Rate Swaps Net Increase Decrease In Fair Value Of Interest Rate Swaps Net Increase / (decrease) in fair value of interest rate swaps, net. Derivative Amortizes Amount Amortization of fair value of the derivative or group of derivatives during the period. Derivative, Notional Amount Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Domain] Western Canada [Member] Canada Western Canada [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenue, Net Net sales Net sales Income Statement [Abstract] Cost Of Products Sold Cost of products sold Gross Profit Gross profit Operating Expenses Operating expenses Income From Operations Operating income Interest Expense Interest expense, financing costs and other Income Before Taxes Income before provision for income taxes Provision For Income Taxes Provision for income taxes Basic Basic Earnings Per Share, Diluted Diluted Weighted Average Shares Used In Computing Net Income Per Share Weighted average shares used in computing net income per common share: Statement Of Other Comprehensive Income [Abstract] Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Before Tax Foreign currency translation adjustment Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Total other comprehensive income (loss), net of tax Comprehensive Income (Loss), Net Of Tax, Attributable To Parent Comprehensive income (loss) Statement Of Cash Flows [Abstract] Operating Activities Operating activities Adjustments To Reconcile Net Income To Net Cash Provided By Operating Activities Adjustments to reconcile net income to net cash (used in) provided by operating activities: Depreciation and Amortization Depreciation and amortization Proceeds from (Repayments of) Lines of Credit Certain interest expense and other financing costs Gain On Sale Of Fixed Assets Gain on sale of fixed assets Deferred Income Tax Expense (Benefit) Deferred income taxes Other Operating Activities, Cash Flow Statement Other Changes In Assets and Liabilities, Net Of Effects Of Businesses Acquired Changes in assets and liabilities, net of the effects of businesses acquired: Accounts Receivable Accounts receivable Increase (Decrease) In Inventories Inventories Prepaid Expenses and Other Assets Prepaid expenses and other assets Accounts Payable and Accrued Expenses Accounts payable and accrued expenses Net Cash Provided By Operating Activities Net cash (used in) provided by operating activities Investing Activities Investing activities Purchases Of Property and Equipment Purchases of property and equipment Acquisition Of Businesses Acquisition of businesses Proceeds From Sales Of Assets Proceeds from sales of assets Net Cash Used In Investing Activities Net cash used in investing activities Financing Activities Financing activities Repayments Of Proceeds From Revolving Credit Facilities Borrowings under revolving lines of credit, net of repayments The net cash inflows (outflows) associated with the entity's revolving credit facilities. Repayments of Long-term Debt, Total Repayments under term loan Proceeds from (Repayments of) Other Debt, Total Borrowings under equipment financing facilities, net of repayments Proceeds From Exercise Of Options Proceeds from exercise of options Income Tax Benefit From Stock-Based Compensation Deductions In Excess Of Associated Compensation Cost Excess tax benefit from equity-based compensation Net Cash Used By Financing Activities Net cash provided by financing activities Effect Of Exchange Rate Changes On Cash Effect of exchange rate changes on cash Net Increase In Cash and Cash Equivalents Net decrease in cash and cash equivalents Cash Paid During Year For Cash paid during the year for: Interest Interest Income Taxes, Net Of Refunds Income taxes, net of refunds Organization, Consolidation and Presentation Of Financial Statements [Abstract] Organization, Consolidation and Presentation Of Financial Statements Disclosure [Text Block] Basis of Presentation Earnings Per Share [Text Block] Net Income per Share Comprehensive Income And Capital Structure [Text Block] Comprehensive Income And Capital Structure Comprehensive Income And Capital Structure Document And Entity Information [Abstract] Document Information [Table] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Trading Symbol Entity Common Stock, Shares Outstanding Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Document Information [Line Items] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share Share Based Compensation Arrangement By Share Based Payment Award Options Weighted Average Remaining Contractual Term [Abstract] Weighted-Average Remaining Contractual Life Share-based Compensation Arrangement by Share-based Payment Award, Options, Weighted Average Remaining Contractual Term [Abstract] Share Based Compensation Arrangement By Share Based Payment Award Options Aggregate Intrinsic Value [Abstract] Average Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Aggregate Intrinsic Value [Abstract] Unrealized Gain (Loss) on Derivatives Unrealized Losses Accounting Policies [Abstract] New Accounting Pronouncements, Policy [Policy Text Block] Recent Issued Accounting Pronouncements Allocated Share-based Compensation Expense