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Financial Instruments - Effects of Derivative Instruments Designated as Cash Flow Hedges Included in Accumulated OCI on Consolidated Balance Sheets (Detail) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Dec. 31, 2011
Treasury Locks [Member]
     
Investment Holdings [Line Items]      
Effective Portion of Gain Reclassified From Accumulated OCI into Income         
Interest Expense [Member]
     
Investment Holdings [Line Items]      
Effective Portion of Gain Reclassified From Accumulated OCI into Income $ 0.4 $ 0.4 $ 0.4