FAIR VALUE MEASUREMENTS (Details) (Derivatives designated as hedges, USD $) In Millions, unless otherwise specified	1 Months Ended	3 Months Ended	12 Months Ended
	Aug. 31, 2005	Jul. 28, 2012	Jul. 31, 2010	Aug. 02, 2005
Derivatives designated as hedges
Interest Rate Swap Agreement
Period of interest payments	7
Fixed rate of interest (as a percent)				4.70%
Notional principal amount				$ 50.0
Base rate (in months)	one-month London Interbank Offered Rate ("LIBOR")
Spread on base rate (as a percent)				1.00%
Effective rate on notional amount (as a percent)				5.70%
Settled amount on derivative recorded in interest expense		0.3
Exchange Rate Forward Contract
Gain on derivative recorded in other expense (income)			$ 2.8