Basis of Presentation (Detail) - Table (USD $) In Thousands, unless otherwise specified	3 Months Ended				4 Months Ended	3 Months Ended		4 Months Ended	3 Months Ended		4 Months Ended
	Mar. 23, 2013	Mar. 24, 2012	Jun. 16, 2012 Scenario, Previously Reported [Member]	Mar. 24, 2012 Scenario, Previously Reported [Member]	Oct. 06, 2012 Scenario, Previously Reported [Member]	Jun. 16, 2012 Scenario, Adjustment [Member]	Mar. 24, 2012 Scenario, Adjustment [Member]	Oct. 06, 2012 Scenario, Adjustment [Member]	Jun. 16, 2012 Restatement Adjustment [Member]	Mar. 24, 2012 Restatement Adjustment [Member]	Oct. 06, 2012 Restatement Adjustment [Member]
Sales	$ 1,094,241	$ 1,069,845	$ 1,092,798	$ 1,058,634	$ 1,496,343	$ 11,444	$ 11,211	$ 14,747	$ 1,104,242	$ 1,069,845	$ 1,511,090
Sales			100.00%	100.00%	100.00%				100.00%	100.00%	100.00%
Cost of Sales	1,001,358	989,122	1,004,004	977,911	1,368,698	11,444	11,211	14,747	1,015,448	989,122	1,383,445
Cost of Sales			91.90%	92.40%	91.50%				92.00%	92.50%	91.60%
Gross Profit	$ 92,883	$ 80,723	$ 88,794	$ 80,723	$ 127,645				$ 88,794	$ 80,723	$ 127,645
Gross Profit			8.10%	7.60%	8.50%				8.00%	7.50%	8.40%