Discontinued Operations (Detail) (USD $)	3 Months Ended		9 Months Ended		12 Months Ended
	Feb. 28, 2015	Mar. 01, 2014	Feb. 28, 2015	Mar. 01, 2014	May 28, 2011
Discontinued Operations [Line Items]
Proceeds from Divestiture of Businesses					$ 238,800,000
Net sales	0	111,000	0	375,000
Gross profit (loss)	0	(254,000)	0	(357,000)
Selling, general, and administrative expenses	0	37,000	0	186,000
Income tax provision (benefit)	0	129,000	(87,000)	(5,000)
Income (loss) from discontinued operations, net of tax	$ 0	$ (420,000)	$ 87,000	$ (538,000)