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Income Taxes (Details) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 29, 2013 | Mar. 31, 2013 | Jun. 30, 2012 | Jun. 29, 2013 | Jun. 30, 2012
Income Taxes |  |  |  |  |
Effective tax rate (as a percent) | 59.90% |  | 71.30% | 37.90% | 79.70%
One-time tax adjustment | $ 0.3 |  |  |  |
Foreign losses benefited (as a percent) | 0.00% | 0.00% | 0.00% | 0.00% |

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- Definition Represents the portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to foreign losses benefitted during the period. + References No definition available. + Details
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