Discontinued Operations (Detail) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 01, 2011	Nov. 29, 2014	Nov. 30, 2013	Nov. 29, 2014	Nov. 30, 2013	May 28, 2011
Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses	$ 238,800,000					$ 238,800,000
Net sales		0	178,000	0	264,000
Gross profit (loss)		0	(55,000)	0	(103,000)
Selling, general, and administrative expenses		0	117,000	0	149,000
Additional gain on sale		0	0	0	(1,000)
Income tax provision (benefit)		(87,000)	(65,000)	(87,000)	(135,000)
Income (loss) from discontinued operations, net of tax		$ 87,000	$ (107,000)	$ 87,000	$ (118,000)