Note 10 - Share-based Employee Compensation - Summary of Stock Option Activity (Details)	6 Months Ended
	Dec. 01, 2015 $ / shares shares
Stock Options Services-Based [Member]
Balance at June 2, 2015 (in shares) | shares	2,441
Balance at June 2, 2015 (in dollars per share) | $ / shares	$ 7.78
Cancellations and forfeitures (in shares) | shares	(208)
Cancellations and forfeitures (in dollars per share) | $ / shares	$ 6.61
Expired (in shares) | shares	(96)
Expired (in dollars per share) | $ / shares	$ 9.06
Balance at December 1, 2015 (in shares) | shares	2,137
Balance at December 1, 2015 (in dollars per share) | $ / shares	$ 7.83
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	3 years 266 days
Exercisable (in shares) | shares	1,671
Exercisable (in dollars per share) | $ / shares	$ 8.21
Exercisable	3 years 83 days
Stock Options Performance-based [Member]
Balance at June 2, 2015 (in shares) | shares	515
Balance at June 2, 2015 (in dollars per share) | $ / shares	$ 8.60
Cancellations and forfeitures (in shares) | shares	(125)
Cancellations and forfeitures (in dollars per share) | $ / shares	$ 9.34
Balance at December 1, 2015 (in shares) | shares	390
Balance at December 1, 2015 (in dollars per share) | $ / shares	$ 8.36
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	4 years 87 days