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Equity-Based Compensation - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Jul. 04, 2015
Jun. 28, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Pre-tax equity-based compensation expense recognized $ 17.5 $ 7.1
Tax related benefits recognized $ 3.1 $ 2.4
Stock issued during period, Shares, Share-based compensation 421,733 400,538
Total unearned compensation costs related to performance share awards $ 64.0  
Total unearned compensation costs amortization period 2 years 10 months 24 days  
Expected weighted-average life 5 years 3 months 26 days 5 years 4 months 10 days
Maximum [Member] | Equity-Based Compensation [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Award vesting period 5 years  
Stock Purchase Plan [Member] | Minimum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected weighted-average life 3 months  
Stock Purchase Plan [Member] | Maximum [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected weighted-average life 1 year