Summary of Significant Accounting Policies (Detail) - Revenue Recognition (USD $) In Thousands, unless otherwise specified	3 Months Ended						4 Months Ended		12 Months Ended
	Dec. 29, 2012	Jun. 16, 2012	Mar. 24, 2012	Dec. 31, 2011	Jun. 18, 2011	Mar. 26, 2011	Oct. 06, 2012	Oct. 08, 2011	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Sales	$ 1,135,620	$ 1,104,242	$ 1,069,845	$ 1,147,742	$ 1,111,133	$ 1,110,271	$ 1,511,090	$ 1,486,313	$ 4,820,797	$ 4,855,459	$ 5,034,926
Cost of Sales	1,041,314	1,015,448	989,122	1,060,970	1,020,556	1,021,282	1,383,445	1,372,625	4,429,329	4,475,433	4,634,138
Gross Profit	94,306	88,794	80,723	86,772	90,577	88,989	127,645	113,688	391,468	380,026	400,788
Scenario, Previously Reported [Member]
Sales										4,807,215	4,991,979
Sales										100.00%	100.00%
Cost of Sales										4,427,189	4,591,191
Cost of Sales										92.10%	92.00%
Gross Profit										380,026	400,788
Gross Profit										7.90%	8.00%
Scenario, Adjustment [Member]
Sales										48,244	42,947
Cost of Sales										48,244	42,947
Restatement Adjustment [Member]
Sales										4,855,459	5,034,926
Sales										100.00%	100.00%
Cost of Sales										4,475,433	4,634,138
Cost of Sales										92.20%	92.00%
Gross Profit										$ 380,026	$ 400,788
Gross Profit										7.80%	8.00%