v2.4.0.6
Stock-Based Compensation (Details 3) (USD $)
6 Months Ended
Jun. 29, 2012
Restricted Stock And Restricted Stock Units Time Based [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]  
Nonvested Restricted Stock Units and Awards, Beginning 69,942
Restricted Stock Units and Awards Granted 80,402
Restricted Stock Units and Awards Vested (19,142)
Restricted Stock Units and Awards Forfeited (4,679)
Nonvested Restricted Stock Units and Awards, Ending 126,523
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]  
Restricted Stock Units and Awards, Weighted Average Grant Date Fair Value, Beginning $ 22.69
Restricted Stock Units and Awards Granted, Weighted Average Fair Value $ 23.41
Restricted Stock Units and Awards Vested, Weighted Average Fair Value $ 21.86
Restricted Stock Units and Awards Forfeited, Weighted Average Fair Value $ 22.04
Restricted Stock Units and Awards, Weighted Average Grant Date Fair Value, Ending $ 23.29
Restricted Stock And Restricted Stock Units Performance Based [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]  
Nonvested Restricted Stock Units and Awards, Beginning 529,743
Restricted Stock Units and Awards Granted 332,918
Restricted Stock Units and Awards Vested (7,500)
Restricted Stock Units and Awards Forfeited (38,413)
Nonvested Restricted Stock Units and Awards, Ending 816,748
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]  
Restricted Stock Units and Awards, Weighted Average Grant Date Fair Value, Beginning $ 16.68
Restricted Stock Units and Awards Granted, Weighted Average Fair Value $ 15.30
Restricted Stock Units and Awards Vested, Weighted Average Fair Value $ 24.62
Restricted Stock Units and Awards Forfeited, Weighted Average Fair Value $ 15.74
Restricted Stock Units and Awards, Weighted Average Grant Date Fair Value, Ending $ 16.09