Stock Based Compensation (Summary Of Restricted Share Activity) (Details) (USD $)	3 Months Ended
	Aug. 30, 2014
Stock Based Compensation [Abstract]
Number of Shares, Outstanding, May 31, 2014	122,600
Number of Shares, Granted
Number of Shares, Vested
Number of Shares, Forfeited
Number of Shares, Outstanding, August 30, 2014	122,600
Weighted Average Grant Date Fair Value, Outstanding, May 31, 2014	$ 47.43
Weighted Average Grant Date Fair Value, Granted
Weighted Average Grant Date Fair Value, Vested
Weighted Average Grant Date Fair Value, Forfeited
Weighted Average Grant Date Fair Value, Outstanding, August 30, 2014	$ 47.43