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Equity-Based Compensation - Summary of Information about Stock Options (Detail) (USD $)
9 Months Ended
Sep. 29, 2013
$11.04 - 11.11 [Member]
 
Summary of Information about Stock Options  
Range of Exercise Prices, Lower Range Limit $ 11.04
Range of Exercise Prices, Upper Range Limit $ 11.11
Number Outstanding and Exercisable 69,900
Weighted-Average Remaining Contractual Life (Years) 1 year 4 months 13 days
Weighted Average Exercise Price $ 11.09
$13.68 - 14.70 [Member]
 
Summary of Information about Stock Options  
Range of Exercise Prices, Lower Range Limit $ 13.68
Range of Exercise Prices, Upper Range Limit $ 14.70
Number Outstanding and Exercisable 95,300
Weighted-Average Remaining Contractual Life (Years) 2 years 26 days
Weighted Average Exercise Price $ 13.95