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Property and Equipment - Summary of Cost and Accumulated Depreciation of Property and Equipment (Detail) (USD $)
In Millions, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Capital Leased Assets [Line Items]    
Accumulated depreciation $ (10.1) $ (11.3)
Net book value 13.4 17.7
Building And Improvements [Member]
   
Capital Leased Assets [Line Items]    
Capital leases, gross 23.5 27.4
Machinery, Equipment And Computer Software [Member]
   
Capital Leased Assets [Line Items]    
Capital leases, gross   $ 1.6