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Quarterly Financial Data - Narrative (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
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Dec. 31, 2012 | Sep. 29, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2011 | Oct. 01, 2011 | Jul. 02, 2011 | Apr. 02, 2011 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Restructuring, integration, and other charges, net of taxes | $ 6,320 | $ 8,576 | $ 9,702 | $ 6,141 | $ 11,223 | $ 6,048 | $ 3,584 | $ 7,199 | $ 30,739 | $ 28,054 | $ 24,605
Restructuring Charges Net of Tax Per Share Basic and Diluted | $ 0.06 | $ 0.08 | $ 0.09 | $ 0.05 | $ 0.10 | $ 0.05 | $ 0.03 | $ 0.06 | $ 0.28 |  | $ 0.21
Settlement of legal matters, net of tax | (48,623) |  |  |  |  |  |  | 3,609 | (48,623) | 3,609 |
Net of Tax, Per Share Related to Litigation Settlement Per Share Basic | $ 0.46 |  |  |  |  |  |  |  | $ 0.45 |  |
Net of Tax, Per Share Related to Litigation Settlement Per Share Diluted | $ 0.45 |  |  |  |  |  |  |  | $ 0.44 |  |
Net of Tax, Per Share Related to Litigation Settlement Per Share Basic and Diluted |  |  |  |  |  |  |  | $ 0.03 |  | $ 0.03 |
Non-cash impact of tax matters |  |  |  |  |  |  |  |  | 0 | 0 | (11,716)
Gain on bargain purchase, net of related taxes |  |  |  |  | (410) |  |  | (1,078) |  |  |
Gain On Bargain Purchase Of Business Per Share Basic and Diluted |  |  |  |  |  |  |  | $ 0.01 |  |  |
Extinguishment of Debt, Gain (Loss), Net of Tax |  |  |  |  | (549) |  |  |  |  | (549) | 964
Extinguishment of Debt Gain Loss Net of Tax Per Share Basic and Diluted |  |  |  |  |  |  |  |  |  |  | $ (0.01)
Reduction of the Provision for Income Taxes [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Non-cash impact of tax matters |  |  |  |  | 28,928 |  |  |  |  | 28,928 | 9,404
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Basic and Diluted |  |  |  |  |  |  |  |  |  | $ 0.25 | $ 0.08
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Basic |  |  |  |  | $ 0.26 |  |  |  |  |  |
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Diluted Basis |  |  |  |  | $ 0.25 |  |  |  |  |  |
Reduction of Interest Expense [Member] |  |  |  |  |  |  |  |  |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |  |  |  |  |  |  |  |  |
Non-cash impact of tax matters |  |  |  |  |  |  |  |  |  |  | 3,840
Reduction of Interest Expense Tax Related Matters |  |  |  |  |  |  |  |  |  |  | $ 2,312
Tax Adjustments, Settlements, and Unusual Provisions, Per Share Basic and Diluted |  |  |  |  |  |  |  |  |  |  | $ 0.02

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