Impairment of Long-Lived Assets, Discontinued Operations and Property Held for Sale - Impairment Charges to Income from Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		8 Months Ended	9 Months Ended
	Jun. 01, 2016	May 06, 2015	May 06, 2015	Jun. 01, 2016
Discontinued Operations and Disposal Groups [Abstract]
Provision for asset impairments	$ 172	$ 0	$ 218	$ 209
Net loss (gain) on disposition of property and equipment	$ 42	$ (609)	(1,696)	(793)
Total			$ (1,478)	$ (584)
Effect on EPS:
Basic (in dollars per share)			$ 0.05	$ 0.02
Assuming dilution (in dollars per share)			$ 0.05	$ 0.02