DEBT AND CREDIT AGREEMENT - Narrative (Details) - USD ($)	3 Months Ended
	Aug. 01, 2015	Aug. 02, 2014
Line of Credit Facility [Line Items]
Repayments in the period	$ 3,000,000	$ 10,000,000
Line of credit
Line of Credit Facility [Line Items]
Maximum borrowing capacity	100,000,000.0
Optional increase in borrowing capacity, up to	$ 50,000,000.0
Basis spread on variable rate	1.50%
Variable rate basis	LIBOR
Proceeds from borrowings	$ 0
Repayments in the period	3,100,000
Interest expense	100,000
Amount outstanding	2,000,000
Available borrowing capacity	$ 98,000,000