Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended			9 Months Ended
	Oct. 06, 2012	Mar. 24, 2012	Oct. 08, 2011	Oct. 06, 2012	Oct. 08, 2011	Dec. 31, 2011
Income Taxes [Line Items]
Income tax	$ (8,055,000)		$ 123,000	$ (230,000)	$ 18,781,000
Pretax income from continuing operations	(25,089,000)		(48,775,000)	61,926,000	49,701,000
Interest expense related to unrecognized tax benefits				3,400,000	2,900,000
Unrecognized tax benefit				17,000,000
Valuation allowance	18,700,000			18,700,000
Accrued interest and penalties tax benefits	6,900,000			6,900,000		10,600,000
Unrecognized tax benefits decrease in interest on income taxes expense				3,700,000
Reduction in liabilities on net assets sold		300,000
Net tax deficiency				$ 132,000,000