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Stock-Based Compensation (Nonvested Service-Based Restricted Stock Units) (Details) (Restricted Stock Units (RSUs) [Member], USD $)
12 Months Ended
Dec. 30, 2012
Restricted Stock Units (RSUs) [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Nonvested at beginning of period 617,672
Number of Shares, Granted 223,795
Number of Shares, Vested (196,254)
Number of Shares, Forfeited (82,107)
Number of Shares, Nonvested at end of period 563,106
Number of Shares, Vested and expected to vest 511,026
Number of Shares, Vested at end of period 61,250
Weighted-Average Vest Date, Nonvested at beginning in years 9 months 15 days
Weighted-Average Vest Date, Nonvested at end in years 9 months 15 days
Weighted-Average Vest Date, Vested and expected to vest in years 7 months 24 days
Weighted-Average Grant Date Fair Value, Nonvested at beginning of period $ 21.29
Weighted-Average Grant Date Fair Value, Granted $ 10.58
Weighted-Average Grant Date Fair Value, Vested $ 11.24
Weighted-Average Grant Date Fair Value, Forfeited $ 17.15
Weighted-Average Grant Date Fair Value, Nonvested at end of period $ 21.14