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Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
9 Months Ended |
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Sep. 29, 2013
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| Share-based Compensation [Abstract] | |
| Total intrinsic value of options exercised | $ 3.7 |
| Total fair value of options vested | 3.9 |
| Total unrecognized compensation costs related to unvested stock options, before income taxes | $ 8.9 |
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Stock Options [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Total unrecognized compensation costs related to unvested stock options and RSUs, Weighted average period of recognition | 2 years 7 months 6 days |
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Restricted Stock Units (RSUs) [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |
| Total unrecognized compensation costs related to unvested stock options and RSUs, Weighted average period of recognition | 3 years 2 months 12 days |