Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents - end of period Cash and cash equivalents - beginning of period Total Cash and Cash equivalents Cash and cash equivalents (Notes 3 and 4) Short-term Investments Short-term investments Short-term investments (Notes 3 and 4) Accounts Receivable, Net, Current Accounts receivable, net Accounts receivable, net (Note 6) Inventory, Net Total Inventories Inventories (Note 7) Deferred income taxes, net Deferred Tax Assets, Net, Current, Ending Balance Deferred Tax Assets, Net, Current, Beginning Balance Current deferred tax asset Deferred Tax Assets, Net, Current, Total Deferred income taxes, net Other assets current Total current assets Long-term Investments Long-term investments Long-term investments (Notes 3 and 4) Property, Plant and Equipment, Net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Net property, plant and equipment Property, plant and equipment, net (Note 7) Goodwill, net Goodwill, Ending Balance Goodwill, Beginning Balance Indefinite-lived intangible assets, net Goodwill, net (Note 8) Assets Consolidated total assets Total assets Total assets Total current liabilities Total liabilities Long-term Debt, Noncurrent Long-term debt, net Long-term debt Retained earnings Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income Accumulated other comprehensive income (loss) Stockholders' Equity Attributable to Parent Ending Balance Beginning Balance Total stockholders' equity Total liabilities and stockholders' equity Common stock Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common stock Treasury stock Treasury stock Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury stock Gross margin Research, development and engineering General and administrative Marketing and selling Restructuring, Settlement and Impairment Provisions Restructuring and asset impairment charges Total Restructuring charges and asset impairments (Note 10) Restructuring charges and asset impairments (Note 12) Operating Income (Loss) Income (loss) from operations Income from operations Income (loss) from operations Income from operations Interest expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income (loss) before income taxes Income before income taxes Income Tax Expense (Benefit) Provision for income taxes Provision (benefit) for income taxes Net income (loss) Net income Net income Net income Basic Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Basic Diluted Denominator for diluted earnings per share Diluted Earnings Per Share, Basic Basic earnings per share Basic Basic Earnings Per Share, Diluted Diluted earnings per share Diluted Diluted Depreciation and Amortization Consolidated depreciation and amortization Depreciation and amortization Depreciation and amortization Gain (Loss) on Sale of Property Plant Equipment Loss on fixed asset retirements Loss on fixed asset retirements Loss on fixed asset retirements Restructuring Costs and Asset Impairment Charges Restructuring and asset impairments Restructuring charges and asset impairments Restructuring charges and asset impairments Gain (Loss) on Sale of Investments Net recognized loss on investments Net recognized loss on investments Net recognized loss on investments Total deferred provision (benefit) for income taxes Deferred income taxes Deferred income taxes Accounts receivable Accounts receivable Accounts receivable Inventories Accounts payable and accrued expenses Net Cash Provided by (Used in) Operating Activities Cash provided by operating activities Cash provided by (used in) operating activities Income taxes Income taxes payable Other assets Payments to Acquire Businesses, Net of Cash Acquired Cash paid for acquisition, net of cash acquired Cash paid for acquisition, net of cash acquired Cash paid for acquisitions, net of cash acquired Net Cash Provided by (Used in) Investing Activities Cash used in investing activities Cash used in financing activities Effect of exchange rate changes on cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Increase (decrease) in cash and cash equivalents Increase (decrease) in cash and cash equivalents Purchases of investments Proceeds from sales and maturities of investments Proceeds from common stock issuances Common stock repurchases Payments of Dividends Payment of dividends to stockholders Payment of dividends to stockholders Payments of dividends to stockholders Payment of dividends to stockholders Share-based Compensation Share-based compensation Share-based compensation Consolidated capital expenditures Payments to Acquire Productive Assets Capital expenditures Capital expenditures Income Taxes Long-term Debt, Current Current portion Current portion Current portion of long-term debt Net sales Cost of Goods and Services Sold Cost of products sold Cost of products sold Financial Instruments and Fair Value Borrowing Facilities Entity Registrant Name Entity Central Index Key Document Type Document Period End Date 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 Amendment Flag Intangible Assets, Net (Excluding Goodwill) Purchased technology and other intangible assets, net Purchased technology and other intangible assets, net (Note 8) Other current assets Other current assets Other current assets Other current assets. Goodwill, Purchased Technology and Other Intangible Assets Additional paid-in capital ASSETS ASSETS Current assets: LIABILITIES AND STOCKHOLDERS' EQUITY Current liabilities: Stockholders' equity: Stockholders' equity (Note 11): Retained earnings Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit) Operating expenses: Earnings Per Share [Abstract] Earnings per share: Interest expense Interest Expense Research, development and engineering Research and Development Expense General and administrative General and Administrative Expense Marketing and selling Selling and Marketing Expense Net sales Sales Revenue, Net Cash flows from operating activities: Cash flows from operating activities: Changes in operating assets and liabilities, net of amounts acquired: Cash flows from investing activities: Cash flows from financing activities: Cash flows from financing activities: Supplemental cash flow information: Inventories Increase (Decrease) in Inventories Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Proceeds from sales and maturities of investments Proceeds from Sale, Maturity and Collections of Investments Purchases of investments Payments to Acquire Investments Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Goodwill, Purchased Technology and Other Intangible Assets [Abstract] Goodwill, Purchased Technology and Other Intangible Assets [Abstract] Goodwill, Purchased Technology and Other Intangible Assets. Employee Benefit Plans Employee Benefit Plans Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments required to reconcile net income (loss) to cash provided by operating activities: Adjustments required to reconcile net income to cash provided by operating activities: Operating expenses: Changes in operating assets and liabilities, net of amounts acquired: Other assets Cash flows from investing activities: Proceeds from common stock issuances Common stock repurchases Supplemental cash flow information: Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Current assets: Other current assets Total current assets Assets, Current Other current assets Accounts Payable and Accrued Liabilities, Current Total Accounts Payable and Accrued Expenses Accounts payable and accrued expenses (Note 7) Accrued Income Taxes, Current Income taxes payable Income taxes payable Purchases of investments Common stock repurchases Interest expense Weighted Average Number of Shares Outstanding, Diluted [Abstract] Denominator: Weighted average number of shares: Derivative Instruments and Hedging Activities Income Taxes Borrowing Facilities Goodwill, Purchased Technology and Other Intangible Assets Gross margin Gross Profit Current liabilities: Total current liabilities Liabilities, Current Purchases of investments Liabilities Liabilities and Stockholders' Equity Net Cash Provided by (Used in) Financing Activities Other Nonoperating Income Interest income and other income, net Other assets Inventories LIABILITIES AND STOCKHOLDERS' EQUITY Deferred Income Taxes And Other Assets Deferred income taxes and other assets Deferred income taxes and other assets. Customer Deposits And Deferred Revenue Customer deposits and deferred revenue (Note 7) Customer deposits and deferred revenue. Provision for bad debts Provision for Doubtful Accounts Increase Decrease In Customer Deposits And Deferred Revenue Total, Customer deposits and deferred revenue Customer deposits and deferred revenue Increase Decrease in Customer deposits and deferred revenue. Consolidated Condensed Statements of Operations [Abstract] Unaudited Quarterly Consolidated Financial Data Consolidated Condensed Balance Sheets [Abstract] Consolidated Condensed Statements of Cash Flows [Abstract] Employee Benefit Plans [Abstract] Borrowing Facilities [Abstract] Income Taxes [Abstract] Components of the provision (benefit) for income taxes Derivative Instruments and Hedging Activities [Abstract] Restructuring and Asset Impairments [Abstract] Fair Value Measurements [Abstract] Fair Value Measurements. Warranty Guarantees and Contingencies [Abstract] Warranty Guarantees And Contingencies . Earnings Per Share [Text Block] Earnings Per Share Fair Value Measurements Fair Value Disclosures [Text Block] Accounts Receivable, Net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Inventories [Abstract] Inventories Industry Segment Operations [Abstract] Industry Segment Operations. Accounts Receivable, Net [Abstract] Details of Accounts Receivable Accounts Receivable, Net (Details) [Abstract] Accounts Receivable, Net Details. Accounts Receivable Net Textual Abstract Accounts Receivable, Net (Textual) [Abstract] Accounts Receivable, Net Textual. Finished goods Inventory, Finished Goods Work-in-process Inventory, Work in Process Raw materials Inventory, Raw Materials, Total Inventory, Raw Materials Accounts Payable and Accrued Liabilities, Current [Abstract] Accounts Payable and Accrued Expenses Other accrued taxes Accrual for Taxes Other than Income Taxes, Current Components of net periodic benefit costs of defined and postretirement benefit plans Schedule of Defined Benefit Plans Disclosures [Text Block] Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Components of net periodic benefit costs Components of net periodic benefit costs of defined and postretirement benefit plans Net periodic pension cost Defined Benefit Plan, Net Periodic Benefit Cost Expected return on plan assets Defined Benefit Plan, Expected Return on Plan Assets Interest cost Defined Benefit Plan, Interest Cost Defined Benefit Plan, Service Cost Service cost Expected return on plan assets Borrowing Facilities (Details) [Abstract] Borrowing Facilities Details. Borrowing Facilities Textual Abstract Borrowing Facilities (Textual) [Abstract] Borrowing Facilities Textual. Other credit facilities Other credit facilities Other credit facilities. Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Potentially dilutive securities Income Taxes (Details) [Abstract] Income Taxes Details. Income Taxes Textual Abstract Income Taxes (Textual) [Abstract] Income Taxes Textual. Other Other Accounts Payable and Accrued Liabilities Restructuring reserve Restructuring Reserve, Current Dividends payable Dividends Payable, Current Warranty Product Warranty Accrual, Current Compensation and employee benefits Employee-related Liabilities, Current Accounts payable Accounts Payable, Current, Total Accounts Payable, Current Customer service spares Other Inventories, Spare Parts Inventory at customer locations included in finished goods Inventory at customer locations included in finished goods Inventory at customer locations included in finished goods. Credit Revolving Period Revolving credit period Credit Revolving Period. Expiration of revolving credit period Line of Credit Facility, Expiration Date Statement [Table] Statement [Line Items] Credit facilities for unsecured borrowings/Revolving credit facility Long-term Line of Credit, Noncurrent Unsecured Debt [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Components Of Inventories Text block Inventories Components Of Inventories. Document Fiscal Year Focus Document Fiscal Period Focus Outstanding credit facilities Short-term Borrowings, Total Short-term Borrowings Warranty Guarantees and Contingencies Text Block Warranty Guarantees and Contingencies Warranty Guarantees and Contingencies. Industry Segment Operations Text Block Industry Segment Operations Industry Segment Operations. Goodwill, Purchased Technology and Other Intangible Assets (Tables) [Abstract] Goodwill, Purchased Technology and Other Intangible Assets. Amortized intangible assets Schedule of Finite-Lived Intangible Assets by Major Class [Text Block] Indefinite Lived Intangible Assets Abstract Indefinite-lived intangible assets Indefinite-lived intangible assets. Warranty, Guarantees and Contingencies (Tables) [Abstract] Warranty, Guarantees and Contingencies. Changes in the warranty reserves Product Warranty Disclosure [Text Block] Warranty Guarantees and Contingencies (Details) [Abstract] Warranty, Guarantees and Contingencies. Maximum potential amount of future payments for letters of credit or other guarantee instruments Guarantor Obligations, Maximum Exposure, Undiscounted Parent guarantees to banks Parent guarantees to banks Parent guarantees to banks. Energy and Environmental Solutions [Member] Energy And Environmental Solutions Member. Silicon Systems Group [Member] Silicon Systems Group. Display [Member] Display. Future Amortization Expense, Year One Future estimated amortization expense, 2011 Future Amortization Expense, Year Two Future estimated amortization expense, 2012 Future Amortization Expense, Year Three Future estimated amortization expense, 2013 Future Amortization Expense, Year Four Future estimated amortization expense, 2014 Future Amortization Expense, Year Five Future estimated amortization expense, 2015 Amortized intangible assets Finite-Lived Intangible Assets, Accumulated Amortization Other Intangible Assets [Member] Other Intangible Assets. Purchased Technology [Member] Purchased Technology. Indefinite Lived Intangible Assets Text Block Indefinite-lived intangible assets Indefinite Lived Intangible Assets. Changes in the warranty reserves Standard Product Warranty Disclosure [Abstract] Standard Product Warranty Accrual, Total Beginning balance Ending balance Standard Product Warranty Accrual Provisions for warranty Standard Product Warranty Accrual, Warranties Issued Consumption of reserves Standard Product Warranty Accrual, Preexisting, Increase (Decrease) Finite-Lived Intangible Assets, Net [Abstract] Amortized intangible assets Gross carrying amount Finite-Lived Intangible Assets, Gross, Total Finite-Lived Intangible Assets, Gross Accumulated amortization Amortized intangible assets, net Finite-Lived Intangible Assets, Net Indefinite Lived Intangible Assets Gross Total Indefinite-lived intangible assets, Gross. Accumulated amortization Useful Life, Minimum Finite-Lived Intangible Assets, Useful Life, Minimum Useful Life, Maximum Finite-Lived Intangible Assets, Useful Life, Maximum Document and Entity Information [Abstract] Document and Entity Information. Products warranty period, General Products warranty period, General Products warranty period, General. Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value In Loss Position for Less Than 12 Months, Fair Value Obligations of states and political subdivisions [Member] Other debt securities [Member] Total fixed income securities [Member] Equity investments in privately-held companies [Member] Equity investments in privately-held companies Member.