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Goodwill and Other Intangible Assets - Narrative (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 29, 2018
Jun. 30, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Dec. 30, 2017
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]            
Goodwill $ 913,900,000     $ 913,900,000   $ 924,100,000
Goodwill impairment   $ 0        
Accumulated impairment losses 0     $ 0    
Weighted-average amortization period (in years)       11 years    
Aggregate amortization expense 6,200,000   $ 7,100,000 $ 19,200,000 $ 20,700,000  
Estimated annual amortization expense for fiscal period 2018 25,400,000     25,400,000    
Estimated annual amortization expense for fiscal period 2019 23,200,000     23,200,000    
Estimated annual amortization expense for fiscal period 2020 19,300,000     19,300,000    
Estimated annual amortization expense for fiscal period 2021 16,000,000     16,000,000    
Estimated annual amortization expense for fiscal period 2022 14,400,000     14,400,000    
Estimated annual amortization expense for fiscal period 2023 12,500,000     $ 12,500,000    
Customer relationships            
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    
Norbar            
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]            
Goodwill 25,100,000     $ 25,100,000    
Fastorq            
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]            
Goodwill 2,600,000     2,600,000    
TCS            
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]            
Goodwill $ 2,000,000     $ 2,000,000