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Earnings Per Share EPS - Reconciliation of Income (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended				6 Months Ended
	Nov. 02, 2019	Aug. 03, 2019	Oct. 27, 2018	Jul. 28, 2018	Nov. 02, 2019	Oct. 27, 2018
Net income
Basic earnings per share	$ 7,274	$ 7,030	$ 8,606	$ 4,574	$ 14,304	$ 13,180
Dilution associated with stock compensation plans	0		0		0	0
Diluted earnings per share	$ 7,274		$ 8,606		$ 14,304	$ 13,180
Shares
Basic earnings per share (in shares)	45,115		44,780		45,114	44,717
Dilution associated with stock compensation plans (in shares)	152		170		247	277
Diluted earnings per share (in shares)	45,267		44,950		45,361	44,994
Per share income
Basic earnings per share (in dollars per share)	$ 0.16		$ 0.19		$ 0.32	$ 0.29
Dilution associated with stock compensation plans (in dollars per share)	0.00		0.00		0.00	0.00
Diluted earnings per share (in dollars per share)	$ 0.16		$ 0.19		$ 0.32	$ 0.29

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