Stock Based Compensation (Summary Of Restricted Share Activity) (Details)	3 Months Ended
	Aug. 27, 2016 $ / shares shares
Stock Based Compensation [Abstract]
Number of Shares, Outstanding, May 28, 2016 | shares	288,900
Number of Shares, Vested | shares	(2,960)
Number of Shares, Forfeited | shares	(2,140)
Number of Shares, Outstanding, August 27, 2016 | shares	283,800
Weighted Average Grant Date Fair Value, Outstanding, May 28, 2016 | $ / shares	$ 35.97
Weighted Average Grant Date Fair Value, Vested | $ / shares	29.41
Weighted Average Grant Date Fair Value, Forfeited | $ / shares	41.64
Weighted Average Grant Date Fair Value, Outstanding, August 27, 2016 | $ / shares	$ 35.99