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Stock-Based Compensation (Details) (USD $) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 29, 2013 | Jun. 30, 2012 | Jun. 29, 2013 | Jun. 30, 2012 | Mar. 31, 2012 2009 Employee Stock Purchase Plan | Jun. 29, 2013 Cost of revenues | Jun. 30, 2012 Cost of revenues | Jun. 29, 2013 Cost of revenues | Jun. 30, 2012 Cost of revenues | Jun. 29, 2013 Research and development | Jun. 30, 2012 Research and development | Jun. 29, 2013 Research and development | Jun. 30, 2012 Research and development | Jun. 29, 2013 Selling, general and administrative | Jun. 30, 2012 Selling, general and administrative | Jun. 29, 2013 Selling, general and administrative | Jun. 30, 2012 Selling, general and administrative
Stock-based compensation costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of plan |  |  |  |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation cost before tax | $ 7,424,000 | $ 9,172,000 | $ 13,684,000 | $ 15,865,000 |  | $ 263,000 | $ 317,000 | $ 517,000 | $ 677,000 | $ 3,483,000 | $ 2,954,000 | $ 6,821,000 | $ 6,556,000 | $ 3,678,000 | $ 5,901,000 | $ 6,346,000 | $ 8,632,000
Income tax benefit | 170,000 | 1,661,000 | 918,000 | 3,210,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Share based compensation cost after tax | 7,254,000 | 7,511,000 | 12,766,000 | 12,655,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Net reduction in selling, general and administrative expense |  | 2,600,000 |  | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Total unrecognized compensation costs related to awards | $ 54,700,000 |  | $ 54,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average period of recognition of unrecognized compensation costs |  |  | 2 years 2 months 12 days |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The period from the approval date during which grants may be made under the plan. + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=6793087&loc=d3e301413-122809 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph h -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph g(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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