INCOME TAXES (Details) - USD ($)	3 Months Ended		9 Months Ended
	Oct. 31, 2015	Nov. 01, 2014	Oct. 31, 2015	Nov. 01, 2014
INCOME TAXES
Effective rate (as a percent)	30.70%	(29.00%)	39.80%	138.20%
Amount of income tax benefit due to recording a valuation allowance against state hiring credits				$ 900,000
Minimum percentage of possibility for an income tax benefit related to uncertain tax positions to be recognized			50%
Unrecognized tax benefits			$ 0