Note 1 - Summary of Significant Accounting Policies - Weighted-average Common and Dilutive Potential Common Shares Outstanding (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended												12 Months Ended
	May 31, 2016		Mar. 01, 2016		Dec. 01, 2015		Sep. 01, 2015		Jun. 02, 2015	Mar. 03, 2015	Dec. 02, 2014	Sep. 02, 2014	May 31, 2016		Jun. 02, 2015	Jun. 03, 2014
Loss from continuing operations													$ (50,682)		$ (3,194)	$ (64,910)
Income from discontinued operations																564
Net (loss)/income	$ (27,603)		$ (3,086)		$ (15,799)		$ (4,194)		$ 4,283	$ (769)	$ (9,273)	$ 2,565	$ (50,682)		$ (3,194)	$ (64,346)
Weighted average common shares outstanding (in shares)													60,871		60,580	60,231
Weighted average common and dilutive potential common shares outstanding (in shares)													60,871		60,580	60,231
Loss from continuing operations (in dollars per share)													$ (0.83)		$ (0.05)	$ (1.08)
Income from discontinued operations (in dollars per share)																0.01
Net loss per share (in dollars per share)	$ (0.46)	[1]	$ (0.05)	[1]	$ (0.26)	[1]	$ (0.07)	[1]	$ 0.07	$ (0.01)	$ (0.15)	$ 0.04	(0.83)	[1]	(0.05)	(1.07)
Loss from continuing operations (in dollars per share)													(0.83)		(0.05)	(1.08)
Income from discontinued operations (in dollars per share)																0.01
Net loss per share (in dollars per share)	$ (0.46)	[1]	$ (0.05)	[1]	$ (0.26)	[1]	$ (0.07)	[1]	$ 0.07	$ (0.01)	$ (0.15)	$ 0.04	$ (0.83)	[1]	$ (0.05)	$ (1.07)

[1] The sum of the quarterly (loss)/income per share does not equal the reported annual amount as each is computed independently based upon the weighted average number of shares outstanding for the period.