Stock Based Compensation (Summary Of Restricted Share Activity) (Details) - Restricted Shares	9 Months Ended
	Feb. 25, 2017 $ / shares shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares [Roll Forward]
Number of Shares, Outstanding, Beginning Balance (in shares) | shares	288,900
Number of Shares, Granted (in shares) | shares	86,215
Number of Shares, Vested (in shares) | shares	(121,148)
Number of Shares, Forfeited (in shares) | shares	(6,232)
Number of Shares, Outstanding, Ending Balance (in shares) | shares	247,735
Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Weighted Average Grant Date Fair Value, Outstanding, Beginning Balance (in dollars per share) | $ / shares	$ 35.97
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	43.00
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	26.90
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	39.66
Weighted Average Grant Date Fair Value, Outstanding, Ending Balance (in dollars per share) | $ / shares	$ 42.76