LONG-TERM DEBT (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Aug. 02, 2014
Long-term debt instrument
Proceeds from issuance of long-term debt	$ 150,000	$ 0
Repayments of Long-term Debt	2,902	86
Long term debt, including current portion, carrying value	180,733		33,500
Interest expense	3,255	1,854
Sale Leaseback Financing Obligation
Long-term debt instrument
Long term debt, including current portion, carrying value	33,200
Effective interest rate on debt	7.32%
Interest expense	600
Term loan
Long-term debt instrument
Repayments of Long-term Debt	2,500
Long term debt, including current portion, carrying value	147,500
Minimum | Term loan
Long-term debt instrument
Long term debt, including current portion, carrying value	10,000
Maximum | Term loan
Long-term debt instrument
Long term debt, including current portion, carrying value	$ 50,000
Base Rate [Member] | Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis	Administrative Agent's prime rate
initial applicable margin	1.50%
Federal Funds Effective Swap Rate [Member] | Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis	overnight federal funds effective rate
Debt Instrument, Basis Spread on Variable Rate	0.50%
One-month LIBOR | Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis	one-month London Interbank Offered Rate
Debt Instrument, Basis Spread on Variable Rate	1.00%
London Interbank Offered Rate (LIBOR) [Member] | Term loan
Long-term debt instrument
Debt Instrument, Description of Variable Rate Basis	one, two, three or six months or, if approved by all affected lenders, nine months
initial applicable margin	2.50%