Document And Entity Information Document and Entity Information Statement [Tables] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets ASSETS - balance sheet ASSETS Cash and cash equivalents- Cash and cash equivalents at end of period Cash and cash equivalents at beginning of period Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value, Total Marketable securities-current Marketable securities Marketable Securities, Current, Total Accounts receivable, net Accounts Receivable, Net, Current, Total Carrying amount (lower of cost or market) as of the balance sheet date of inventories less all valuation and other allowances. Excludes noncurrent inventory balances (expected to remain on hand past one year or one operating cycle, if longer) and includes the cost of revenues (product cost) associated with deferred revenues. Inventory includes product cost Inventory Prepaid Expense, Current, Total and Other Assets, Current: Prepaid Expense, Current, Total - Definition: Sum of the amounts paid in advance for capitalized costs that will be expensed with the passage of time or the occurrence of a triggering event, and will be charged against earnings within one year or the normal operating cycle, if longer. Other Assets, Current- Definition: Aggregate carrying amount, as of the balance sheet date, of current assets not separately presented elsewhere in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). Prepaid expenses and other current assets Restricted cash. Restricted cash Deferred Tax Assets Gross Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current, Beginning Balance Deferred tax assets Deferred tax assets, net Total current assets Total current assets 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 Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Intangibles, net Intangible Assets, Net (Excluding Goodwill), Total Marketable securities Marketable Securities, Noncurrent, Total Deferred tax assets Deferred Tax Assets, Gross, Total Other assets Other assets Assets Total assets LIABILITIES AND STOCKHOLDERS EQUITY LIABILITIES AND STOCKHOLDERS' EQUITY Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current, Total Deferred rev. Deferred revenue Deferred revenue Deferred Tax Liabilities, Current Deferred tax liabilities Total current liabilities Total current liabilities Deferred revenue, noncurrent Deferred revenue Deferred Revenue, Noncurrent, Total Deferred tax liabilities Other Other Liabilities Total liabilities Commitments and contingencies (Note 10) Stockholders' equity: Common stock Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Accumulated deficit Total stockholders' equity Stockholders' Equity Attributable to Parent, Ending Balance Stockholders' Equity Attributable to Parent, Beginning Balance Total stockholders' equity Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Condensed Consolidated Statements of Income Revenue Revenues Revenues Cost and operating expenses: Cost of revenues Cost of Revenue, Total Research and development Research and Development Expense, Total Selling, general and administrative Selling, General and Administrative Expense, Total Amortization of acquisition related intangibles Amortization of Intangible Assets, Total Restructuring and impairments-income statement Restructuring and impairments Restructuring and impairments Total cost and operating expenses Total cost and operating expenses Operating income Operating income Interest income Interest income (expense), net Other income (expense), net Other income (expense), net Income (loss) before income tax expense Income before income tax expense Income tax expense Income tax expense Net income Net income Net income per common share Basic Basic EPS - Diluted Diluted Diluted Weighted average number of common shares outstanding Basic - shares outstanding Basic Basic Diluted Diluted Condensed Consolidated Statements of Comprehensive Income Other comprehensive income Other comprehensive income (loss), net of tax: Foreign currency translation gain (loss) Foreign currency translation Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent, Total Unrealized gains on cash flow hedges Unrealized (losses) gains on cash flow hedges Other Comprehensive Income, Derivatives Qualifying as Hedges, Net of Tax, Total Unrealized losses on investments Unrealized gain/(loss) on investments The total of Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, before Tax, Portion Attributable to Parent and Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax. Other comprehensive income (loss) Total other comprehensive loss, net of tax Comprehensive income (loss) Comprehensive income Condensed Consolidated Statements of Cash Flows Cash flows from operating activities: Adjustments to reconcile net income to net cash (used in) provided by operations: Depreciation and amortization Depreciation, Depletion and Amortization, Total Stock-based compensation expense Employee Benefits and Share-based Compensation, Total The aggregate amount of noncash, equity-based non-employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for non-employee compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Share based compensation non-employee Stock-based compensation expense-non-employee Allowance for doubtful accounts Deferred income taxes Deferred Income Tax Expense (Benefit), Total Other non-cash items Changes in operating asset and liability accounts: Increase Decrease In Accounts Receivable Accounts receivable Accounts receivable Increase Decrease In Inventories Inventory Inventory Increase (Decrease) in Inventories, Total Increase (Decrease) in Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid expenses and other current assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets, Total Accounts payable and accrued expenses-changes Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Deferred revenue Deferred revenue Net cash used in operating activities Net cash used in operating activities Cash flows from investing activities: Purchase of property, plant and equipment Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment, Total Purchase of marketable securities Purchase of marketable securities Payments to Acquire Marketable Securities, Total Proceeds from the maturity of marketable securities Proceeds from Sale and Maturity of Marketable Securities, Total Change in restricted cash Change in restricted cash Increase (Decrease) in Restricted Cash, Total Purchase of intangible assets Purchase of intangible assets Payments to Acquire Additional Interest in Subsidiaries Purchase of minority investment Purchase of minority investment Change in other assets Change in other assets Change in other assets Change in other assets Net cash used in investing activities Net cash used in investing activities Cash flows from financing activities: Proceeds from follow-on public offering, net of issuance costs Proceeds from follow-on public offering, net of costs Proceeds from exercise of employee stock options and ESPP Proceeds from exercise of employee stock options Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Effect of exchange rate changes on cash and cash equivalents Effect of exchange rate changes on cash and cash equivalents Net decrease in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental schedule of cash flow information: Non-cash contingent consideration in connection with acquisitions Non-Cash Contingent Consideration In Connection With Acquisitions Non-cash contingent consideration in connection with acquisitions Income Taxes Paid Cash paid for income taxes Non-cash issuance of common stock Non Cash Issuance Of Common Stock Non-cash issuance of common stock Description of the Business and Basis of Presentation. Description of the Business and Basis of Presentation Description of the Business and Presentation Description of the Business and Basis of Presentation Stock-Based Compensation Disclosure Of Compensation Related Costs Share Based Payments Text Block Stock-Based Compensation Computation of Net Income per Common Share [Abstract] Computation of Net Income per Common Share Earnings Per Share Text Block Computation of Net Income per Common Share Fair Value Measurements Fair Value Disclosures Fair Value Measurements Derivative Financial Instruments Derivative Instruments And Hedging Activities Disclosure Text Block Derivative Financial Instruments Accounts Receivable Accounts Receivable Text Block Accounts Receivable Inventory Inventory Disclosure Text Block Inventory Product Warranty Product Warranty Disclosure Text Block Product Warranty Income Taxes Income Taxes Income Tax Disclosure Text Block Income Taxes Commitments and Contingencies Commitments and Contingencies Commitments And Contingencies Disclosure Text Block Commitments and Contingencies Cost-Sharing Arrangements Cost-Sharing Arrangements Research And Development Arrangement Contract To Perform For Others Text Block Cost-Sharing Arrangements Acquisitions Acquisitions Business Combination Disclosure Text Block Acquisitions Business Segment Information Business Segment Information Segment Reporting Disclosure Text Block Business Segment Information Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Stockholders' Equity