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Equity-Based Compensation - Weighted-Average Assumptions Used for Grants of Stock Options and SARs (Detail) - USD ($)
9 Months Ended
Oct. 03, 2015
Sep. 27, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected dividend yield 0.00% 0.00%
Forfeiture rate 10.24% 10.32%
Risk free interest rate, minimum 0.02% 0.02%
Risk free interest rate, maximum 2.14% 2.61%
Expected weighted-average life 5 years 3 months 26 days 5 years 4 months 10 days
Fair value of SARs granted $ 11,509,000 $ 4,600,000
Weighted-average grant date fair value of SARs granted (per underlying share) $ 35.25 $ 25.00
Stock Option and Stock Appreciation Rights (SARs) [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Volatility 33.98% 34.92%
Risk free interest rate 1.53% 1.73%