Quarterly report pursuant to Section 13 or 15(d)

Equity-Based Compensation (Narrative) (Details)

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Equity-Based Compensation (Narrative) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Equity-Based Compensation [Abstract]        
Equity-based compensation expense $ 1,858 $ 1,686 $ 5,929 $ 6,113
Equity-based compensation related tax benefit 613 578 1,973 2,087
Unrecognized compensation expense weighted average period of recognition     2 years  
Weighted-average grant date fair value     $ 17.92 $ 16.01
Total intrinsic value of stock options and stock-settled stock appreciation rights exercised     17,125 31,027
Total fair value of equity awards vested     $ 6,559 $ 6,789