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Summary Of Significant Accounting Policies (Calculation Of Net Income Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Feb. 23, 2019	Feb. 24, 2018	Feb. 23, 2019	Feb. 24, 2018
Summary Of Significant Accounting Policies [Abstract]
Net income	$ 5,796	$ 4,595	$ 22,101	$ 14,845
Basic:
Weighted average shares	31,890	31,440	31,784	30,473
Diluted:
Weighted average shares	31,890	31,440	31,784	30,473
Potentially dilutive shares	480	626	644	428
Total dilutive shares	32,370	32,066	32,428	30,901
Net income per common share:
Basic (per share)	$ 0.18	$ 0.15	$ 0.70	$ 0.49
Dilutive (per share)	$ 0.18	$ 0.14	$ 0.68	$ 0.48
Anti-dilutive shares not included above	3,716	4,166	3,313	4,872

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