Stock Based Compensation (Summary Of Restricted Share Activity) (Details) - Restricted Shares	3 Months Ended
	Aug. 29, 2020 $ / shares shares
Number of Shares
Number of Shares, Outstanding, Beginning Balance (in shares) | shares	273,046
Number of Shares, Granted (in shares) | shares	0
Number of Shares, Vested (in shares) | shares	0
Number of Shares, Forfeited (in shares) | shares	(1,964)
Number of Shares, Outstanding, Ending Balance (in shares) | shares	271,082
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Outstanding, Beginning Balance (in dollars per share) | $ / shares	$ 41.36
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	0
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	0
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	41.47
Weighted Average Grant Date Fair Value, Outstanding, Ending Balance (in dollars per share) | $ / shares	$ 41.36