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Disclosure - Net Income per Share of Common Stock link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Revenue Recognition link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Balance Sheet Components link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Fair Value Measurements of Assets and Liabilities link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Credit Facility and Debt link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Restructuring Activities link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Segment and Geographic Information link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS link:presentationLink link:calculationLink link:definitionLink 9954701 - Disclosure - The Company and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9954702 - Disclosure - The Company and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 9954703 - Disclosure - Net Income per Share of Common Stock (Tables) link:presentationLink link:calculationLink link:definitionLink 9954704 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 9954705 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9954706 - Disclosure - Balance Sheet Components (Tables) link:presentationLink link:calculationLink link:definitionLink 9954707 - Disclosure - Fair Value Measurements of Assets and Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9954708 - Disclosure - Restructuring Activities (Tables) link:presentationLink link:calculationLink link:definitionLink 9954709 - Disclosure - Stockholders’ Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9954710 - Disclosure - Segment and Geographic Information (Tables) link:presentationLink link:calculationLink link:definitionLink 9954711 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9954712 - Disclosure - Acquisitions (Tables) link:presentationLink link:calculationLink link:definitionLink 9954713 - Disclosure - Commitments and Contingencies (Tables) link:presentationLink link:calculationLink link:definitionLink 9954714 - Disclosure - The Company and Summary of Significant Accounting Policies (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954715 - Disclosure - The Company and Summary of Significant Accounting Policies (Property, Plant and Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 9954716 - Disclosure - The Company and Summary of Significant Accounting Policies (Useful Lives of the Finite-Lived Purchased Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9954717 - Disclosure - Net Income per Share of Common Stock (Schedule of Basic and Diluted Net (Loss) Income per Share) (Details) link:presentationLink link:calculationLink link:definitionLink 9954718 - Disclosure - Net Income per Share of Common Stock (Schedule of Common Stock Excluded Because they were Antidilutive) (Details) link:presentationLink link:calculationLink link:definitionLink 9954719 - Disclosure - Revenue Recognition (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954720 - Disclosure - Revenue Recognition (Contracted Balances) (Details) link:presentationLink link:calculationLink link:definitionLink 9954721 - Disclosure - Revenue Recognition (Remaining Performance Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 9954721 - Disclosure - Revenue Recognition (Remaining Performance Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 9954722 - Disclosure - Leases (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954723 - Disclosure - Leases (Schedule of Lease Costs) (Details) link:presentationLink link:calculationLink link:definitionLink 9954724 - Disclosure - Leases (Other Information Related to Operating Leases) (Details) link:presentationLink link:calculationLink link:definitionLink 9954725 - Disclosure - Leases (Operating Leases, Future Minimum Payments Due) (Details) link:presentationLink link:calculationLink link:definitionLink 9954725 - Disclosure - Leases (Operating Leases, Future Minimum Payments Due) (Details) link:presentationLink link:calculationLink link:definitionLink 9954726 - Disclosure - Balance Sheet Components (Cash, Cash Equivalents and Restricted Cash) (Details) link:presentationLink link:calculationLink link:definitionLink 9954727 - Disclosure - Balance Sheet Components (Receivables) (Details) link:presentationLink link:calculationLink link:definitionLink 9954728 - Disclosure - Balance Sheet Components (Inventories) (Details) link:presentationLink link:calculationLink link:definitionLink 9954729 - Disclosure - Balance Sheet Components (Inventory Adjustments) (Details) link:presentationLink link:calculationLink link:definitionLink 9954730 - Disclosure - Balance Sheet Components (Other Current Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9954731 - Disclosure - Balance Sheet Components (Property, Plant and Equipment) (Details) link:presentationLink link:calculationLink link:definitionLink 9954732 - Disclosure - Balance Sheet Components (Accrued Expenses) (Details) link:presentationLink link:calculationLink link:definitionLink 9954733 - Disclosure - Balance Sheet Components (Accrued Warranties) (Details) link:presentationLink link:calculationLink link:definitionLink 9954734 - Disclosure - Balance Sheet Components (Advance Payments and Unearned Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9954735 - Disclosure - Fair Value Measurements of Assets and Liabilities (Schedule of Fair Value, by Balance Sheet Grouping) (Details) link:presentationLink link:calculationLink link:definitionLink 9954736 - Disclosure - Fair Value Measurements of Assets and Liabilities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954737 - Disclosure - Credit Facility and Debt (Details) link:presentationLink link:calculationLink link:definitionLink 9954738 - Disclosure - Restructuring Activities (Restructuring Related Activities) (Details) link:presentationLink link:calculationLink link:definitionLink 9954739 - Disclosure - Restructuring Activities (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954740 - Disclosure - Stockholders’ Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954741 - Disclosure - Stockholders’ Equity (Repurchase of Common Stock) (Details) link:presentationLink link:calculationLink link:definitionLink 9954742 - Disclosure - Stockholders’ Equity (Stock Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9954743 - Disclosure - Stockholders’ Equity (Unamortized Expenses) (Details) link:presentationLink link:calculationLink link:definitionLink 9954744 - Disclosure - Stockholders’ Equity (Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954745 - Disclosure - Stockholders’ Equity (Additional Option Information) (Details) link:presentationLink link:calculationLink link:definitionLink 9954746 - Disclosure - Stockholders’ Equity (Weighted Average Assumptions) (Details) link:presentationLink link:calculationLink link:definitionLink 9954747 - Disclosure - Stockholders’ Equity (Options by Exercise Price Range) (Details) link:presentationLink link:calculationLink link:definitionLink 9954748 - Disclosure - Stockholders’ Equity (Restricted Stock Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954749 - Disclosure - Stockholders’ Equity (Performance Share Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954750 - Disclosure - Segment and Geographic Information (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954751 - Disclosure - Segment and Geographic Information (Revenue by Region) (Details) link:presentationLink link:calculationLink link:definitionLink 9954752 - Disclosure - Segment and Geographic Information (Revenue by Country) (Details) link:presentationLink link:calculationLink link:definitionLink 9954753 - Disclosure - Segment and Geographic Information (Long-Lived Assets by Country) (Details) link:presentationLink link:calculationLink link:definitionLink 9954754 - Disclosure - Income Taxes (Income before Provision for Income Taxes) (Details) link:presentationLink link:calculationLink link:definitionLink 9954755 - Disclosure - Income Taxes (Components of Income Tax Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9954756 - Disclosure - Income Taxes (Effective Income Rate Reconciliation) (Details) link:presentationLink link:calculationLink link:definitionLink 9954757 - Disclosure - Income Taxes (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954758 - Disclosure - Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9954758 - Disclosure - Income Taxes (Components of Deferred Tax Assets and Liabilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9954759 - Disclosure - Income Taxes (Unrecognized Tax Benefit Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954760 - Disclosure - Acquisitions (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954761 - Disclosure - Acquisitions (Total Purchase Consideration) (Details) link:presentationLink link:calculationLink link:definitionLink 9954762 - Disclosure - Acquisitions (Purchased Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9954763 - Disclosure - Acquisitions (Estimated Future Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9954764 - Disclosure - Commitments and Contingencies - Outstanding Purchase Obligations and Other Commitments (Details) link:presentationLink link:calculationLink link:definitionLink 9954765 - Disclosure - Commitments and Contingencies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 9954766 - Disclosure - SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Details) link:presentationLink link:calculationLink link:definitionLink