Note 10 - Share-based Employee Compensation - Summary of Stock Option Activity (Details) - Stock Options Services-Based [Member] shares in Thousands	3 Months Ended
	Sep. 05, 2017 $ / shares shares
Outstanding, Shares (in shares) | shares	1,694
Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 6.09
Cancellations and Forfeitures, Shares (in shares) | shares	(254)
Cancellations and Forfeitures, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 2.51
Expired, Shares (in shares) | shares	(689)
Expired, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 8.33
Outstanding, Shares (in shares) | shares	751
Outstanding, Weighted Average Exercise Price (in dollars per share) | $ / shares	$ 5.24
Outstanding, weighted average remaining contractual term (Year)	4 years 32 days
Exercisable at September 5, 2017 (in shares) | shares	443
Exercisable at September 5, 2017 (in dollars per share) | $ / shares	$ 6.37
Exercisable, weighted average remaining contractual term (Year)	2 years 299 days