Stock Compensation Plans (Summary of Liability Award Activity) (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	May 28, 2016 USD ($) $ / shares shares
Class of Warrants or Right Outstanding [Roll Forward]
Number of Rights, Outstanding, beginning balance (in shares) | shares	26,900
Number of Rights, Granted (in shares) | shares	0
Number of Rights, Exercised (in shares) | shares	(26,900)
Number of Rights, Forfeited (in shares) | shares	0
Number of Rights, Outstanding, ending balance (in shares) | shares	0
Class of Warrant or Right, Weighted Average Strike Price [Roll Forward]
Weighted Average Strike Price Per Right, Outstanding, beginning balance (in dollars per share) | $ / shares	$ 3.40
Weighted Average Strike Price Per Right, Granted (in dollars per share) | $ / shares	0.00
Weighted Average Strike Price Per Right, Exercised (in dollars per share) | $ / shares	3.40
Weighted Average Strike Price Per Right, Forfeited (in dollars per share) | $ / shares	0.00
Weighted Average Strike Price Per Right, Outstanding, ending balance (in dollars per share) | $ / shares	$ 0.00
Weighted Average Remaining Contractual Life, Outstanding (in dollars per share)	0 years
Aggregate Intrinsic Value, Outstanding | $	$ 0