CREDIT FACILITY (Details) - USD ($) $ in Thousands		12 Months Ended
		Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Credit facilities
Interest expense – revolver		$ 789	$ 313	$ 0
Sublimit availability		42,900	40,900
Borrowing capacity, accordion feature		50,000
Deferred financing costs, remaining unamortized balance		1,200	1,200
Line of Credit Facility, Maximum Borrowing Capacity		250,000	200,000
Line of credit facility, current borrowing capacity		211,700	183,200
Outstanding borrowings		0	0
Utilization of credit facility at end of period		7,100	9,100
Availability	[1]	$ 204,600	$ 174,100
Interest rate at end of period (as a percent)		4.00%	3.80%
Average loan balance during the period		$ 28,500	$ 9,400
Highest end of day loan balance during the period		$ 67,500	$ 40,900
Average interest rate (as a percent)		2.70%	3.20%
Letter of Credit [Member]
Credit facilities
Letters of credit outstanding		$ 0	$ 0
Standby Letters of Credit [Member]
Credit facilities
Letters of credit outstanding		7,100	$ 9,100
Credit Agreement
Credit facilities
Letters of Credit sublimit		$ 50,000
Line of credit facility, unused line fee percentage (as a percent)		0.25%
Deferred financing costs gross		$ 4,300
Deferred financing costs, remaining unamortized balance		1,200
Line of Credit Facility, Maximum Borrowing Capacity		$ 250,000
Credit Agreement | Prime rate
Credit facilities
Basis spread on variable rate, low end of range (as a percent)		0.50%
Basis spread on variable rate, high end of range (as a percent)		0.75%
Credit Agreement | LIBOR
Credit facilities
Basis spread on variable rate, low end of range (as a percent)		1.25%
Basis spread on variable rate, high end of range (as a percent)		1.50%
Debt Instrument, Description of Variable Rate Basis		one, two, three or six
Credit Agreement | Letter of Credit [Member]
Credit facilities
Letters of credit facility fee, low end of range (as a percent)		0.625%
Letters of credit facility fee, high end of range (as a percent)		0.75%
Credit Agreement | Standby Letters of Credit [Member]
Credit facilities
Letters of credit facility fee, low end of range (as a percent)		0.75%
Letters of credit facility fee, high end of range (as a percent)		1.00%
2008 Credit Agreement 2014 Amendment [Member]
Credit facilities
Deferred financing costs gross		$ 0

[1] The sublimit availability for letters of credit was $42.9 million and $40.9 million at January 30, 2016 and January 31, 2015, respectively.