Subsequent Event (Detail) - Quarterly Financial Information (USD $) In Thousands, except Per Share data, 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)	$ 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)	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
Earnings (loss) before income taxes	(40,418)	(113,300)	9,069	12,707	16,614	12,370	22,955	16,737	(121,694)	58,428	72,126
Income tax expense (benefit)	(11,456)	(28,332)	3,615	4,527	6,563	4,889	8,351	6,644	(27,822)	22,623	21,185
Net earnings (loss)	$ (28,962)	$ (84,968)	$ 5,454	$ 8,180	$ 10,051	$ 7,481	$ 14,604	$ 10,093	$ (93,872)	$ 35,805	$ 50,941
Net earnings (loss) as percentage of sales	(2.55%)	(7.69%)	0.51%	0.71%	0.91%	0.68%	0.97%	0.68%
Basic earnings (loss) per share (in Dollars per share)	$ (2.23)	$ (6.55)	$ 0.42	$ 0.63	$ 0.79	$ 0.59	$ 1.13	$ 0.78	$ (7.24)	$ 2.80	$ 3.97
Diluted earnings (loss) per share (in Dollars per share)	$ (2.23)	$ (6.55)	$ 0.42	$ 0.62	$ 0.77	$ 0.57	$ 1.12	$ 0.77	$ (7.24)	$ 2.74	$ 3.86