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Additional Cash Flow Information - Additional Information (Detail) (USD $)
9 Months Ended
Sep. 29, 2012
Sep. 24, 2011
Schedule of Cash Flow, Supplemental [Line Items]    
Income taxes paid $ 48,528,000 $ 42,120,000
Interest paid 2,331,000 2,368,000
Acquired operating property by capital leases $ 42,952,000 $ 13,038,000