Note 13 - Fair Value Measurements - Losses Recognized from Fair Value Measurements on Non-recurring Basis (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 01, 2015	Dec. 02, 2014	Dec. 01, 2015	Dec. 02, 2014
Continuing Operations [Member]
Included within continuing operations
Long-lived assets held for sale	$ 258	$ 203	$ 350	$ 802
Long-lived assets held for use	5,957	1,013	8,442	1,470
Total	8,214	$ 1,216	10,791	$ 2,272
Goodwill and Intangible Asset Impairment	$ 1,999		1,999
Total			$ 8,404	$ 3,359