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Derivative Financial Instruments - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
0 Months Ended
Dec. 29, 2013
Agreement
Contract
Dec. 30, 2012
Contract
Agreement
Dec. 31, 2013
Subsequent Event [Member]
Derivative Instruments, Gain (Loss) [Line Items]      
Outstanding interest rate derivative contracts 0 0  
Number of offsetting derivative transactions with counterparties   0  
Number of outstanding derivative transactions 0    
Amount paid to hedge commodity costs under agreement     $ 0.9
Notional amount $ 31.6