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Earnings Per Share EPS - Reconciliation of Income (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Aug. 01, 2015	Aug. 02, 2014
Net income
Basic earnings per share	$ 3,776	$ 8,745
Dilution associated with stock compensation plans	0	0
Diluted earnings per share	$ 3,776	$ 8,745
Shares
Basic earnings per share (in shares)	43,797	43,261
Dilution associated with stock compensation plans (in shares)	276	380
Diluted earnings per share (in shares)	44,073	43,641
Per share income
Basic earnings per share (in dollars per share)	$ 0.09	$ 0.20
Dilution associated with stock compensation plans (in dollars per share)	0.00	0.00
Diluted earnings per share (in dollars per share)	$ 0.09	$ 0.20

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