Document and Entity Information Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Amendment Description 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 Document Fiscal Year Focus Document Fiscal Period Focus CONSOLIDATED BALANCE SHEETS Statement [Table] Class of Stock [Axis] Class Of Stock [Domain] Class Of Stock [Domain] Preferred Stock [Member] Preferred Stock [Member] Series A junior participating preferred stock. Series A Junior Participating Preferred Stock [Member] Series A Junior Participating Preferred Stock [Member] Statement [Line Items] Statement Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and cash equivalents Held-to-maturity Securities, Current Marketable investments Current marketable investments Accounts Receivable, Net, Current Accounts receivable, net of allowance of none for 2014 and 2013 Inventory, Net Inventories, net Total inventories Other Assets, Current Other current assets Assets, Current Total current assets Marketable Securities, Noncurrent Marketable investments Restricted Cash and Investments, Noncurrent Marketable investments and cash-restricted Intangible Assets, Net (Including Goodwill) Goodwill and other intangibles, net Total intangible assets, Net Property, Plant and Equipment, Net Property, plant and equipment, net Deferred Tax Assets, Net, Noncurrent Deferred tax assets, net Other Assets, Noncurrent Other assets Other Assets, Noncurrent Assets Total assets Liabilities and Equity [Abstract] Liabilities and Stockholders' Equity Liabilities, Current [Abstract] Current liabilities: Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued expenses Convertible Notes Payable, Current Convertible notes Represents aggregate current carrying amount of Share tracking Award Plans that the company has to pay in within one year or within the normal operating cycle if longer. Share Tracking Award Plans. Share tracking awards plan Notes Payable, Current Line of credit and mortgages payable-current Other Liabilities, Current Other current liabilities Liabilities, Current Total current liabilities Notes Payable, Noncurrent Mortgages payable-noncurrent Other Liabilities, Noncurrent Other liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies: Temporary Equity, Carrying Amount, Attributable to Parent Temporary equity Total Stockholders' Equity Attributable to Parent [Abstract] Stockholders' equity: Preferred Stock, Value, Issued Preferred stock, par value $.01, 10,000,000 shares authorized, no shares issued Common Stock, Value, Issued Common stock, par value $.01, 245,000,000 shares authorized, 63,756,923 and 63,013,192 shares issued, and 47,230,528 and 50,388,140 shares outstanding at June 30, 2014 and December 31, 2013, respectively Additional Paid in Capital, Common Stock Additional paid-in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Balance at the end of the period Balance at the beginning of the period Accumulated other comprehensive loss Treasury Stock, Value Treasury stock at cost, 16,526,395 and 12,625,052 shares at June 30, 2014 and December 31, 2013, respectively Retained Earnings (Accumulated Deficit) Retained earnings Stockholders' Equity Attributable to Parent Total stockholders' equity Liabilities and Equity Total liabilities and stockholders' equity Liabilities, Noncurrent [Abstract] Non-current liabilities: Convertible Notes Payable, Noncurrent Convertible notes Allowance for Doubtful Accounts Receivable, Current Accounts receivable, allowance (in dollars) Preferred Stock, Par or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued 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 Common Stock, Shares, Outstanding Common stock, shares outstanding Treasury Stock, Shares Treasury stock, shares CONSOLIDATED STATEMENTS OF OPERATIONS Revenues [Abstract] Revenues: Sales Revenue, Goods, Net Net product sales Net revenues Other Revenue, Net Other Revenues Total revenues Costs and Expenses [Abstract] Operating expenses: Research and Development Expense Research and development Selling, General and Administrative Expense Selling, general and administrative Cost of Goods Sold Cost of product sales Costs and Expenses Total operating expenses Operating Income (Loss) Operating income Nonoperating Income (Expense) [Abstract] Other (expense) income: Investment Income, Interest Interest income Interest Expense Interest expense Total interest expense Other Nonoperating Income (Expense) Other, net Nonoperating Income (Expense) Total other (expense) income, net Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income before income taxes Income Tax Expense (Benefit) Income tax expense Net Income (Loss) Available to Common Stockholders, Basic Net income Net income Earnings Per Share [Abstract] Net income per common share: Earnings per common share: Earnings Per Share, Basic Basic (in dollars per share) Earnings Per Share, Diluted Diluted (in dollars per share) Earnings Per Share, Basic [Abstract] Basic Income (Loss) from Continuing Operations, Per Basic Share Continuing operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Discontinued operations (in dollars per share) Earnings Per Share, Diluted [Abstract] Diluted Income (Loss) from Continuing Operations, Per Diluted Share Continuing operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Discontinued operations (in dollars per share) Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average number of common shares outstanding: Denominator: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted average outstanding shares - basic Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Weighted average shares - diluted Income (Loss) from Continuing Operations Attributable to Parent Income from continuing operations Income from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent [Abstract] Discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Income from discontinued operations, net of tax Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Gain on disposal of discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Income from discontinued operations Income from discontinued operations CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation gain (loss) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent [Abstract] Defined benefit pension plan: Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Arising During Period, Net of Tax Prior service cost arising during period, net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Actuarial gain arising during period, net of tax Net of tax amount of the income statement impact of the reclassification adjustment for the actuarial gain (loss) and prior service costs recognized as a component of net period benefit cost. Other Comprehensive Income (Loss) Amortization Gain (Loss) and Net Prior Service Costs Credit Arising During Period Net of Tax Less: amortization of actuarial gain and prior service cost included in net periodic pension cost, net of tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax, Portion Attributable to Parent Total defined benefit pension plan, net Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Unrealized loss on available-for-sale securities, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive gain (loss), net of tax Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities, Continuing Operations [Abstract] Cash flows from operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Amount of the current period expense charged against operations, the offset which is generally to the allowance for doubtful accounts for the purpose of reducing receivables, including notes receivable, to an amount that approximates their net realizable value (the amount expected to be collected). This element also includes a charge to cost of goods sold that represents the reduction of the carrying amount of inventory, generally attributable to obsolescence or market conditions. Provision for Doubtful Accounts and Inventory Write-down Provision for inventory obsolescence Income tax expense (benefit) pertaining to the entity's operations. Income Tax Cash Flows Current and deferred income tax expense Share-based Compensation Share-based compensation (benefit) expense Share-based compensation expense Amortization of Financing Costs and Discounts Amortization of debt discount and debt issue costs Accretion (Amortization) of Discounts and Premiums, Investments Amortization of discount or premium on investments Other Noncash Income (Expense) Other Excess Tax Benefit from Share-based Compensation, Operating Activities Excess tax benefits from share-based compensation Asset Impairment Charges Impairment write downs Costs incurred, but not yet paid, that are directly related to obtaining license rights. Licensing arrangements include, but are not limited to, rights to use a patent, copyright, technology, manufacturing process, software or trademark. License Costs Incurred but Not Paid Expense associated with outstanding license fees Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Accounts Receivable Accounts receivable Represents increase decrease in insurance proceeds receivable during the reporting period. Increase Decrease In Insurance Proceeds Receivable Insurance proceeds receivable Increase (Decrease) in Inventories Inventories Increase (Decrease) in Other Operating Assets Other assets Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued expenses Increase (Decrease) in Other Operating Liabilities Other liabilities Net Cash Provided by (Used in) Operating Activities, Continuing Operations Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities, Continuing Operations [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Purchases of property, plant and equipment Payments to Acquire Held-to-maturity Securities Purchases of held-to-maturity investments Payments to Acquire Investments Cost-method investments Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities Maturities of held-to-maturity investments Net Cash Provided by (Used in) Investing Activities, Continuing Operations Net cash provided by investing activities Payments to Acquire Businesses, Gross Acquisitions Net Cash Provided by (Used in) Financing Activities, Continuing Operations [Abstract] Cash flows from financing activities: Payments for Repurchase of Common Stock Payments to repurchase common stock Proceeds from Lines of Credit Proceeds from line of credit Proceeds from Stock Options Exercised Proceeds from the exercise of stock options Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Excluding Stock Options Issuance of stock under employee stock purchase plan Excess Tax Benefit from Share-based Compensation, Financing Activities Excess tax benefits from share-based compensation Net Cash Provided by (Used in) Financing Activities, Continuing Operations Net cash used in financing activities Repayments of Convertible Debt Principal payments of debt Proceeds from Issuance of Secured Debt Proceeds received from issuance of debt Payments of Financing Costs Payments of transaction costs related to issuance of debt Represents the cash outflow with respect to payments for convertible note hedge and warrants, net. Payments of Convertible Debt Hedge and Warrants, Net Payment for convertible note hedge and warrants, net Effect of Exchange Rate on Cash and Cash Equivalents, Continuing Operations Effect of exchange rate changes on cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net increase in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental schedule of cash flow information: Interest Paid, Net Cash paid for interest Income Taxes Paid, Net Cash paid for income taxes Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Non-cash investing activity: Capital Expenditures Incurred but Not yet Paid Non-cash additions to property, plant and equipment Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Acquisitions-non-cash consideration Stock Issued During Period, Value, Conversion of Convertible Securities Issuance of common stock upon conversion of convertible notes Liabilities Assumed Assumption of mortgage in connection with the acquisition of property Organization and Business Description Nature of Operations [Text Block] Organization and Business Description Basis of Presentation Basis of Accounting [Text Block] Basis of Presentation Inventories Inventory Disclosure [Text Block] Inventories Fair Value Measurements Fair Value Disclosures [Text Block] Fair Value Measurements Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Investments Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Other Intangible Assets Supplemental Executive Retirement Plan Pension and Other Postretirement Benefits Disclosure [Text Block] Supplemental Executive Retirement Plan Share Tracking Award Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Share Tracking Award Plans Debt Debt Disclosure [Text Block] Debt Temporary Equity Represents the entire disclosure for temporary equity includes securities: (1) with redemption features that are outside entities control; (2) that are not classified as an asset or liability; (3) that are excluded from permanent stockholders' equity; and (4) are not mandatorily redeemable. Amounts included in temporary equity relate to securities that are redeemable at a fixed or determinable price. Temporary Equity [Text Block] Temporary Equity Stockholders' Equity Disclosures related to statement of shareholders' equity including among others, disclosures relating to share-based plans, stock repurchase plans and calculation of earnings (loss) per share. Stockholders Equity Note Excluding Comprehensive Income Disclosure [Text Block] Stockholders' Equity Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] Accumulated Other Comprehensive Loss Income Taxes Income Tax Disclosure [Text Block] Income Taxes Segment Information Segment Reporting Disclosure [Text Block] Segment Information Litigation