Property, Plant and Equipment [Abstract] Property, Plant and Equipment Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Intangible Assets Disclosure [Text Block] Intangible Assets Disclosure [Text Block] Other Liabilities Disclosure [Abstract] Other Liabilities Disclosure [Text Block] Other Liabilities Disclosure [Text Block] Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract] Defined benefit pension plans: Pension and Other Postretirement Benefits Disclosure [Text Block] Pension and Other Postretirement Benefits Disclosure [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Segment Reporting [Abstract] Segment Reporting Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Stockholders' Equity Note [Abstract] Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Manufacturing Consolidation Project and Tax Strategy Disclosure [Abstract] Manufacturing Consolidation Project and Tax Strategy Disclosure [Text Block] Manufacturing Consolidation Project and Tax Strategy Disclosure [Text Block] The entire disclosure for manufacturing consolidated project and tax strategy. Accounting Policies [Abstract] Basis of Accounting, Policy [Policy Text Block] Reclassification, Policy [Policy Text Block] Statement Of Financial Position [Abstract] Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Statement [Line Items] Assets [Abstract] ASSETS Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and cash equivalents, at beginning of the period Cash and cash equivalents, at end of the period Accounts Receivable, Net, Current, Total Accounts receivable trade, net of allowance for doubtful accounts of $1,461 and $1,449, respectively Inventory, Net, Total Inventories, net Inventory, Net Prepaid Expenses Deposits and Other Assets Current Prepaids, deposits and other current assets Prepaid Expenses Deposits and Other Assets Current The prepaid amount, deposits and other current assets as of the balance sheet date. Deferred Tax Assets, Net of Valuation Allowance, Current, Total Deferred income taxes Assets, Current, Total Total current assets Property, Plant and Equipment, Net, Total Property, plant and equipment, net Property, Plant and Equipment, Net Intangible Assets, Net (Excluding Goodwill), Total Intangible assets, net Amortizable intangible assets, Net Goodwill Goodwill Deferred Tax Assets, Net of Valuation Allowance, Noncurrent, Total Deferred income taxes Other Assets, Noncurrent Other assets Assets, Total Total assets Liabilities and Equity [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities [Abstract] Current liabilities: Line Of Credit, Current Line of credit Accounts Payable, Current Accounts payable Deferred Tax Liabilities, Net, Current Deferred income taxes Capital Lease Obligations, Current Obligations under capital leases Other Liabilities, Current Other current liabilities Other Liabilities, Current Liabilities, Current, Total Total current liabilities Capital Lease Obligations, Noncurrent Obligations under capital leases Deferred Tax Liabilities, Net, Noncurrent Deferred income taxes Asset Retirement Obligations, Noncurrent, Total Asset retirement obligations Defined Benefit Pension Plan, Liabilities, Noncurrent Pension liability Liabilities, Total Total liabilities Commitments and Contingencies Commitments and contingencies (Note 12) Stockholders' Equity Attributable To Parent [Abstract] Stockholders' equity: Common Stock, Value, Issued Common stock, $0.01 par value; 60,000 shares authorized; 38,361 and 37,911 shares issued and outstanding at July 4, 2014 and January 3, 2014 Additional Paid In Capital, Common Stock Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive income Retained Earnings (Accumulated Deficit), Total Accumulated deficit Stockholders Equity Attributable to Parent, Total Total stockholders’ equity Liabilities and Equity, Total Total liabilities and stockholders’ equity Inventory Disclosure [Abstract] Schedule Of Inventory, Current [Table Text Block] Schedule of Inventory, Current [Table Text Block] Prepaid Expenses and Other Current Assets Disclosure [Abstract] Schedule Of Prepaid Expenses [Table Text Block] Schedule Of Prepaid Expenses [Table Text Block] Tabular disclosure of prepaid expenses and other current assets. Property, Plant and Equipment [Table Text Block] Property, Plant and Equipment [Table Text Block] Schedule Of Finite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule Of Accrued Liabilities [Table Text Block] Schedule of Accrued Liabilities [Table Text Block] Schedule Of Net Benefit Costs [Table Text Block] Schedule of Net Benefit Costs [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule Of Revenue By Major Customers By Reporting Segments [Table Text Block] Schedule of Revenue by Major Customers by Reporting Segments [Table Text Block] Revenue From External Customers By Products and Services [Table Text Block] Revenue from External Customers by Products and Services [Table Text Block] Schedule Of Compensation Cost [Table Text Block] Schedule Of Compensation Cost [Table Text Block] Tabular disclosure of compensation cost that has been charged against income. Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule Of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule Of Restructuring Reserve By Type Of Cost [Table Text Block] Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Allowance for Doubtful Accounts Receivable Common Stock, Par or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Public Utilities, Inventory [Table] Legal Entity [Axis] Entity [Domain] Public Utilities, Inventory [Line Items] Inventory, Raw Materials, Gross Raw materials and purchased parts Inventory, Work in Process, Gross Work-in-process Inventory, Finished Goods, Gross Finished goods Inventory, Gross, Total Inventory, Gross Inventory Valuation Reserves Less: inventory reserves Prepaid Expenses Deposits and Other Current Assets Disclosure [Abstract] Prepaid Expense and Other Assets, Current [Table] Prepaid Expense and Other Assets, Current [Line Items] Line items represents the prepaid expense and other assets current. Prepaid Expense, Current, Total Prepaid and deposits Value Added Tax Receivable, Current Value added tax (VAT) receivable Deferred Costs, Current, Total Deferred charges for foreign profits Other Assets, Current Other current assets Property, Plant and Equipment [Table] Property, Plant and Equipment [Line Items] Machinery and Equipment, Gross Machinery and equipment Furniture and Fixtures, Gross Furniture and fixtures Leasehold Improvements, Gross Leasehold improvements Property, Plant and Equipment, Gross, Total Property, Plant and Equipment, Gross Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Less: accumulated depreciation Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Patents and Licenses [Member] Customer Relationships [Member] Customer relationships [Member] Developed Technology Rights [Member] Developed technology [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets, Net [Abstract] Amortized intangible assets: Finite-Lived Intangible Assets, Gross Amortizable intangible assets, Gross Carrying Amount Finite-Lived Intangible Assets, Accumulated Amortization Amortizable intangible assets, Accumulated Amortization Other Liabilities, Current [Table] Other Liabilities, Current [Line Items] Line items represents the other current liabilities. Accrued Salaries, Current Accrued salaries and wages Accrued Bonuses, Current Accrued bonuses Other Employee Related Liabilities Accrued severance Accrued Income Taxes, Current Accrued income taxes Accrued Professional Fees, Current Accrued audit fees Accrued Sales Commission, Current Accrued commissions Accrued Insurance, Current Accrued insurance Other Accrued Liabilities, Current Other Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Percentage Of Other Current Liabilities Represent the percentage of total other current liabilities. Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] All Countries [Axis] All Countries [Domain] Swiss Plan [Member] Japan Plan [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plan, Service Cost Service cost Defined Benefit Plan, Interest Cost Interest cost Defined Benefit Plan, Expected Return On Plan Assets Expected return on plan assets Defined Benefit Plan, Amortization Of Transition Obligations (Assets) Net amortization of transitional obligation Defined Benefit Plan, Amortization of Gains (Losses) Actuarial loss recognized in current period Defined Benefit Plan, Net Periodic Benefit Cost Net periodic pension cost Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Defined Benefit Plan Switzerland [Member] Switzerland [Member] Defined Benefit Planjapan [Member] Defined Benefit Plan, Asset Categories [Axis] Plan Asset Categories [Domain] Bond [Member] Equity Securities [Member] Cash and Cash Equivalents [Member] Collateralized Mortgage Backed Securities [Member] Real Estate [Member] Debt Securities [Member] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Age Limitation [Axis] Information of age limitation categories. Age Limitation [Domain] Information of age limitation categories for Differentiate. Fifty Years Old [Member] Range [Axis] Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Schedule Of Basic And Diluted Income Per Share [Table] Award Type [Axis] Equity Award [Domain] Restricted Stock [Member] Schedule Of Basic And Diluted Income Per Share [Line Items] Numerator [Abstract] Numerator: Net Income (Loss) Attributable to Parent, Total Net income (loss) Net income (loss) Net income (loss) Denominator [Abstract] Denominator: Weighted Average Number of Shares Outstanding, Basic [Abstract] Weighted average common shares and denominator for basic calculation: Weighted Average Number Of Shares, Common Stock Subject To Repurchase Or Cancellation Weighted average common shares outstanding Weighted Average Number Of Shares, Restricted Stock Less: Unvested restricted stock Weighted Average Number of Shares Outstanding, Basic, Total Denominator for basic calculation Weighted average shares outstanding - basic (in shares) Weighted Average Number Of Shares Outstanding, Diluted [Abstract] Weighted average effects of dilutive equity-based compensation awards: Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Stock options Weighted Average Number Diluted Shares Outstanding Adjustment, Total Restricted stock Incremental Common Shares Attributable to Dilutive Effect of Call Options and Warrants Warrants Weighted Average Number of Shares Outstanding, Diluted Denominator for diluted calculation Weighted average shares outstanding - diluted (in shares) Earnings Per Share, Basic, Total Net income (loss) per share - basic (in dollars per share) Earnings Per Share, Diluted, Total Net income (loss) per share - diluted (in dollars per share) Income Statement [Abstract] Revenue, Net, Total Net sales Cost of Goods and Services Sold, Total Cost of sales Gross Profit, Total Gross profit General and Administrative Expense, Total General and administrative Selling and Marketing Expense, Total Marketing and selling Research and Development Expense, Total Research and development Medical Device Tax Medical device tax Represents the tax amount spent on the medical devices during the period. Other General and Administrative Expenses Other general and administrative expenses Operating Income (Loss), Total Operating income (loss) Other Income (Expense) Other income (expense): Investment Income, Interest Interest income Interest Expense, Total Interest expense Foreign Currency Transaction Gain (Loss), before Tax Gain (loss) on foreign currency transactions Other Income, Net Other income, net Nonoperating Income (Expense), Total Other income (expense), net