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Leased Property Under Capital Leases - Leased Property Under Capital Leases (Detail) (USD $)
In Thousands, unless otherwise specified
6 Months Ended
Jun. 29, 2014
Dec. 29, 2013
Jun. 30, 2013
Jun. 29, 2014
Minimum [Member]
Jun. 29, 2014
Maximum [Member]
Capital Leased Assets [Line Items]          
Leased property under capital leases $ 94,793 $ 94,889 $ 94,174    
Less: Accumulated amortization 48,824 45,908 42,931    
Leased property under capital leases, net $ 45,969 $ 48,981 $ 51,243    
Leased property under capital leases, Estimated Useful Lives       3 years 20 years