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Intangible and Other Assets - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Dec. 29, 2012
Sep. 28, 2013
Customer relationships [Member]
Sep. 28, 2013
Customer relationships [Member]
Sep. 28, 2013
Trademarks [Member]
Sep. 28, 2013
Trademarks [Member]
Acquired Finite And Indefinite Lived Intangible Assets [Line Items]                  
Goodwill $ 837.4   $ 837.4   $ 807.4        
Preliminary purchase accounting related to acquisition     24.7            
Customer relationship value           5.2      
Non-amortized trademark               3.2  
Accumulated impairment losses 0   0            
Weighted-average amortization period (in years)     12 years       16 years   6 years
Customer relationship contractual term, minimum (in years)             3 years    
Customer relationship contractual term, maximum (in years)             5 years    
Aggregate amortization expense 6.6 6.6 19.4 19.6          
Estimated annual amortization expense for fiscal period 2013 25.3   25.3            
Estimated annual amortization expense for fiscal period 2014 22.2   22.2            
Estimated annual amortization expense for fiscal period 2015 15.9   15.9            
Estimated annual amortization expense for fiscal period 2016 12.4   12.4            
Estimated annual amortization expense for fiscal period 2017 10.1   10.1            
Estimated annual amortization expense for fiscal period 2018 $ 9.0   $ 9.0