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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($)
 3 Months Ended 6 Months Ended
Jul. 02, 2016
Jul. 04, 2015
Jul. 02, 2016
Jul. 04, 2015
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]        
Accumulated impairment losses $ 0   $ 0  
Weighted-average amortization period (in years)     11 years  
Aggregate amortization expense 6,200,000 $ 6,200,000 $ 12,300,000 $ 12,400,000
Estimated annual amortization expense for fiscal period 2016 23,500,000   23,500,000  
Estimated annual amortization expense for fiscal period 2017 20,800,000   20,800,000  
Estimated annual amortization expense for fiscal period 2018 18,400,000   18,400,000  
Estimated annual amortization expense for fiscal period 2019 16,200,000   16,200,000  
Estimated annual amortization expense for fiscal period 2020 14,000,000   14,000,000  
Estimated annual amortization expense for fiscal period 2021 $ 12,300,000   $ 12,300,000  
Customer relationships [Member]        
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]        
Weighted-average amortization period (in years)     15 years  
Customer relationship contractual term, minimum (in years)     3 years  
Customer relationship contractual term, maximum (in years)     5 years