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Goodwill and Other Intangible Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 28, 2014
Jun. 29, 2013
Jun. 28, 2014
Jun. 29, 2013
Dec. 28, 2013
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]          
Goodwill $ 870.5   $ 870.5   $ 838.8
Preliminary purchase accounting related to acquisition     34.7    
Accumulated impairment losses 0   0    
Weighted-average amortization period (in years)     12 years    
Aggregate amortization expense 6.1 6.5 12.3 12.8  
Estimated annual amortization expense for fiscal period 2014 23.9   23.9    
Estimated annual amortization expense for fiscal period 2015 19.0   19.0    
Estimated annual amortization expense for fiscal period 2016 14.1   14.1    
Estimated annual amortization expense for fiscal period 2017 10.9   10.9    
Estimated annual amortization expense for fiscal period 2018 9.0   9.0    
Estimated annual amortization expense for fiscal period 2019 $ 8.6   $ 8.6    
Customer relationships [Member]
          
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]          
Weighted-average amortization period (in years)     16 years    
Customer relationship contractual term, minimum (in years)     3 years    
Customer relationship contractual term, maximum (in years)     5 years