CREDIT FACILITY (Details) - USD ($) $ in Millions		12 Months Ended
		Feb. 03, 2018	Jan. 28, 2017
Credit facilities
Sublimit availability		$ 43.0	$ 42.7
Borrowing capacity, accordion feature		50.0
Deferred financing costs, remaining unamortized balance		0.7	1.0
Line of Credit Facility, Maximum Borrowing Capacity		250.0	250.0
Line of credit facility, current borrowing capacity		250.0	223.8
Outstanding borrowings		21.5	15.4
Utilization of credit facility at end of period		28.5	22.7
Availability	[1]	$ 221.5	$ 201.1
Interest rate at end of period (as a percent)		5.00%	2.80%
Average loan balance during the period		$ 45.8	$ 39.9
Highest end of day loan balance during the period		$ 98.2	$ 95.8
Average interest rate (as a percent)		2.90%	2.40%
Standby Letters of Credit [Member]
Credit facilities
Letters of credit outstanding		$ 7.0	$ 7.3
Credit Agreement
Credit facilities
Letters of Credit sublimit		$ 50.0
Line of credit facility, unused line fee percentage (as a percent)		0.25%
Deferred financing costs gross		$ 4.3
Deferred financing costs, remaining unamortized balance		0.7
Line of Credit Facility, Maximum Borrowing Capacity		$ 250.0
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%

[1] The sub-limit availability for letters of credit was $43.0 million and $42.7 million at February 3, 2018 and January 28, 2017, respectively.