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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended
Sep. 27, 2014
Sep. 28, 2013
Sep. 27, 2014
Sep. 28, 2013
Dec. 28, 2013
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]          
Goodwill $ 828.5   $ 828.5   $ 838.8
Preliminary purchase accounting related to acquisition     13.2    
Accumulated impairment losses 0   0    
Weighted-average amortization period (in years)     12 years    
Aggregate amortization expense 6.1 6.6 18.4 19.4  
Estimated annual amortization expense for fiscal period 2014 24.3   24.3    
Estimated annual amortization expense for fiscal period 2015 20.1   20.1    
Estimated annual amortization expense for fiscal period 2016 15.4   15.4    
Estimated annual amortization expense for fiscal period 2017 12.0   12.0    
Estimated annual amortization expense for fiscal period 2018 9.6   9.6    
Estimated annual amortization expense for fiscal period 2019 9.2   9.2    
Customer relationships [Member]
          
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]          
Customer relationship value     7.4    
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    
Trademarks [Member]
          
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]          
Non-amortized trademark     $ 13.8    
Weighted-average amortization period (in years)     6 years