Document and Entity Information [Abstract] Document And Entity information. Net Income Per Share [Abstract] Commitments and Contingencies [Abstract] Commitments and Contingencies. Condensed Consolidated Statements of Operations [Abstract] Costs and expenses: Costs and Expenses [Abstract] Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Weighted Average Number of Shares Outstanding, Diluted Basic Weighted Average Number of Shares Outstanding, Basic, Total Weighted Average Number of Shares Outstanding, Basic Earnings Per Share, Diluted Earnings Per Share, Diluted, Total Diluted net income per share Earnings Per Share, Basic Earnings Per Share, Basic, Total Basic net income per share Income Tax Expense (Benefit) Income tax expense (benefit) Provision for income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest, Total Income before income taxes Other Nonoperating Income (Expense) Other income (expense), net Interest expense Interest Expense, Total Interest Expense Interest income Investment Income, Interest Interest expense Operating Income (Loss) Operating Income (Loss), Total Operating income Total costs and expenses Costs and Expenses Selling, general and administrative Selling, General and Administrative Expense, Total Selling, General and Administrative Expense Research and development Research and Development Expense, Total Research and Development Expense Cost of product revenues Cost of Goods Sold, Total Cost of Goods Sold Condensed Consolidated Balance Sheets [Abstract] ASSETS Assets [Abstract] Current Assets: Assets, Current [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Stockholders' Equity [Abstract] Stockholders' Equity: Stockholders' Equity Attributable to Parent [Abstract] Current Liabilities: Liabilities, Current [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated other comprehensive income (loss): Total liabilities and stockholders' equity Liabilities and Stockholders' Equity Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Retained earnings Retained earnings Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit) Pension liability adjustment, net of tax Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax Foreign currency translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Pension liability adjustment, net of tax Treasury Stock, Value Treasury stock, at cost; 7,299 and 7,212 shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock, at cost; 7,212 shares at September 30, 2010 and 6,354 shares at December 31, 2009 Common Stock, Value, Issued Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock; $0.01 par value; 60,000 authorized shares; 35,807 and 35,745 issued Commitments and contingencies Commitments and Contingencies Liabilities Total liabilities Other liabilities Other Liabilities, Noncurrent Long-term convertible securities Convertible Debt, Noncurrent Total current liabilities Liabilities, Current, Total Liabilities, Current Accrued expenses and other current liabilities Accrued expenses and other current liabilities Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered and other current liabilities not disclosed separately in the balance sheet due to materiality considerations. Used to reflect the current portion of the liabilities (due within one year). Deferred revenue Deferred Revenue, Current, Total Deferred Revenue, Current Total assets Assets Other Assets, Noncurrent Other assets Goodwill Goodwill, Beginning Balance Goodwill, Ending Balance Goodwill Intangible assets, net Intangible Assets, Net (Excluding Goodwill), Total Intangible Assets, Net (Excluding Goodwill) Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Property, plant, and equipment, net Total current assets Assets, Current, Total Assets, Current Prepaid expenses and other current assets Prepaid expenses and other current assets Carrying amount as of the balance sheet date of expenditures made, not otherwise specified in the taxonomy, in advance of the timing of recognition of expenses which are expected to be charged against earnings within one year and other current assets not disclosed separately in the balance sheet due to materiality considerations. Deferred tax assets Deferred Tax Assets, Net, Current, Total Deferred Tax Assets, Net, Current, Beginning Balance Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current Inventories, net Inventory, Net, Total Inventory, Net Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash and Cash Equivalents, at Carrying Value Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Condensed Consolidated Statements of Cash Flows [Abstract] OPERATING ACTIVITIES: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Changes in assets and liabilities, net of business acquisitions: Increase (Decrease) in Operating Capital [Abstract] INVESTING ACTIVITIES: Net Cash Provided by (Used in) Investing Activities [Abstract] FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Cash and Cash Equivalents, Period Increase (Decrease) Cash and Cash Equivalents, Period Increase (Decrease), Total Net change in cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Excess tax benefits from stock-based compensation arrangements Excess Tax Benefit from Share-based Compensation, Financing Activities Proceeds from Stock Options Exercised Proceeds from exercise of stock options, net Repayments of Convertible Debt Repurchase of liability component of convertible notes Repayment of Convertible Debt Purchases of property and equipment Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment Net cash provided by operating activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Deferred revenue Increase (Decrease) in Deferred Revenue Increase (Decrease) in Inventories Inventories Increase (Decrease) in Inventories, Total Inventories Increase (Decrease) in Accounts Receivable Accounts receivable Accounts receivable Excess Tax Benefit from Share-based Compensation, Operating Activities Excess tax benefits from stock-based compensation arrangements Excess tax benefits from stock-based compensation arrangements Share-based compensation Share-based Compensation, Total Share-based Compensation Amortization of Financing Costs Amortization of bond issuance costs Deferred Income Tax Expense (Benefit) Deferred Income Tax Expense (Benefit), Total Deferred income tax benefit Net Income (Loss) Attributable to Parent Net income (loss) Net income Net income Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Document Fiscal Year Focus Document Fiscal Period Focus Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Common stock, shares issued Common Stock, Shares, Issued Treasury Stock, Shares Sales Revenue, Goods, Net Total revenue, net Total revenue, net Accounts Receivable, Net, Current Accounts Receivable, Net, Current, Total Trade accounts receivable, net of allowances of $6,678 and $7,322 Accounts payable, trade Accounts Payable, Trade, Current Accrued compensation Employee-related Liabilities, Current, Total Employee-related Liabilities, Current Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock Trade accounts receivable, allowances Allowance for Doubtful Accounts Receivable, Current, Beginning Balance Allowance for Doubtful Accounts Receivable, Current, Ending Balance Allowance for Doubtful Accounts Receivable, Current Retirement Benefit Plans [Abstract] Accounts payable, accrued expenses and other current liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets, Total Prepaid expenses and other current assets Common Stock, shares, issued Treasury stock, shares Treasury Stock, Shares, Beginning Balance Treasury Stock, Shares, Ending Balance Excess tax benefits from stock-based compensation arrangements Purchases of property and equipment Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding (See Note 11): Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax, Beginning Balance Unrealized gain (loss) on derivatives, net of tax Depreciation, Depletion and Amortization Depreciation, Depletion and Amortization, Total Depreciation and amortization Debt [Abstract] Debt. Derivative Instruments [Abstract] Increase (Decrease) in Other Operating Liabilities Other non-current liabilities Increase (Decrease) in Other Operating Assets Other non-current assets Other non-current assets Segment and Geographic Information [Abstract] Segment and Geographic Information. Segment And Geographic Reporting Disclosure Text Block SEGMENT SEGMENT AND GEOGRAPHIC INFORMATIONGEOGRAPHIC INFORMATION This element is used to document the Company's segment disclosure, and revenues by product category and geographic location. Non Cash Interest Expense Cash Flow Non-cash interest expense Non-cash interest expense related to convertible debt instruments that does not result in cash outflows in the period in which they occur, but affect net income and thus is added back when calculating net cash flow from operating activities using the indirect cash flow method. Deferred tax assets Deferred Tax Assets, Net, Noncurrent Deferred Tax Assets, Net, Noncurrent, Total Deferred tax liabilities Deferred Tax Liabilities, Noncurrent Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Preferred Stock; no par value; 15,000 authorized shares; none outstanding Preferred stock, par value Preferred Stock, par value Preferred Stock, Shares Authorized Preferred Stock, authorized shares Preferred Stock, Shares Outstanding Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred Stock, outstanding Amortization of Intangible Assets Intangible asset amortization Intangible asset amortization Payments of Debt Issuance Costs Debt issuance costs Payments For Repurchase Of Common Stock Purchases of treasury stock Short-term borrowings under senior credit facility Borrowings under senior credit facility Long-term borrowings under senior credit facility Long-term borrowings under senior credit facility RepaymentsOfSecuredDebt Repayments under senior credit facility Repayments under senior credit facility Treasury Stock [Abstract] Schedule Of Treasury Stock By Class Text Block TREASURY STOCK Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] BASIS OF PRESENTATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] STOCK-BASED COMPENSATION Debt Disclosure [Text Block] DEBT Derivative Instruments and Hedging Activities Disclosure [Text Block] DERIVATIVE INSTRUMENTS Pension and Other Postretirement Benefits Disclosure [Text Block] RETIREMENT BENEFIT PLANS Earnings Per Share [Text Block] NET INCOME PER SHARE Commitments and Contingencies Disclosure [Text Block] COMMITMENTS AND CONTINGENCIES Gain Loss On Sale Of Property Plant Equipment Loss on disposal of property and equipment Gain (Loss) on Sale of Property Plant Equipment, Total Basis of Presentation [Abstract] Basis of presentation. Business and Asset Acquisitions [Abstract] Business and asset acquisitions. Business Combination And Asset Acquisition Disclosure [Text Block] BUSINESS AND ASSET ACQUISITIONS Business combination and asset acquisition. Inventories [Abstract] Goodwill and Other Intangible Assets [Abstract] Goodwill and other intangible assets. Stock-Based Compensation [Abstract] Stock based compensation. Goodwill and Intangible Assets Disclosure [Text Block] GOODWILL AND OTHER INTANGIBLE ASSETS Inventory Disclosure [Text Block] INVENTORIES Comprehensive Income Note [Text Block] COMPREHENSIVE INCOME Comprehensive Income [Abstract]