Note 2 - (Loss) Earnings Per Share - Weighted-Average Common and Dilutive Potential Common Shares Outstanding (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Dec. 01, 2015	Dec. 02, 2014	Dec. 01, 2015	Dec. 02, 2014
Net loss	$ (15,799)	$ (9,273)	$ (19,993)	$ (6,708)
Weighted-average common shares outstanding (in shares)	61,455	60,534	61,400	60,476
Dilutive effect of stock options and restricted stock (in shares)
Weighted average common and dilutive potential common shares outstanding (in shares)	61,455	60,534	61,400	60,476
Basic loss per share (in dollars per share)	$ (0.26)	$ (0.15)	$ (0.33)	$ (0.11)
Diluted loss per share (in dollars per share)	$ (0.26)	$ (0.15)	$ (0.33)	$ (0.11)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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