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Share-Based Compensation - Summary of Restricted Stock Award Activity (Detail) (Restricted Stock Awards [Member], USD $)
3 Months Ended
Mar. 30, 2013
Restricted Stock Awards [Member]
 
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Shares, Outstanding at beginning of year 444,362
Shares, Granted 3,459
Shares, Released (16,093)
Shares, Forfeited (708)
Shares, Outstanding at end of period 431,020
Weighted-Average Grant Date Fair Value, Outstanding at beginning of year $ 35.43
Weighted-Average Grant Date Fair Value, Granted $ 45.45
Weighted-Average Grant Date Fair Value, Released $ 34.34
Weighted-Average Grant Date Fair Value, Forfeited $ 37.83
Weighted-Average Grant Date Fair Value, Outstanding at end of period $ 35.54