Discontinued Operations - Additional Information (Detail) (USD $)	12 Months Ended
	Feb. 27, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating losses from discontinued operations	$ (5,627,000)
Loss on sale of Man Alive	(18,284,000)
Loss on sale of Man Alive, purchase price rebate	7,705,000
Loss on sale of Man Alive, inventory write-off	7,359,000
Loss on sale of Man Alive, property and equipment write-off	6,726,000
Loss on sale of Man Alive, other charges	2,370,000
Loss on sale of Man Alive, deferred credits from landlords	5,876,000
Discontinued operations, cash payment	10,195,000
Discontinued operations, non-cash net charges	$ 8,089,000