BENEFIT PLANS (Details) (USD $)	3 Months Ended	12 Months Ended
	Feb. 02, 2013	Feb. 01, 2014	Feb. 02, 2013	Jan. 31, 2015
CONTRIBUTION PLANS
Contribution by employer to fully fund the plan on a termination basis	$ 14,100,000
Account Plan
CONTRIBUTION PLANS
Contribution expense		800,000	100,000
401(k) savings plan
CONTRIBUTION PLANS
Minimum age of employee to qualify for qualified savings plan				18 years
Percentage of participant's discretionary contribution matched by 50% of employer contribution				50.00%
Maximum employer match of employee compensation under both savings plans (as a percent)				6.00%
Employer matching contribution of the first 6% of participant's discretionary contribution (as a percent)				3.00%
Contribution by employer		$ 3,500,000	$ 0	$ 3,200,000
401(k) savings plan | Condition 1
CONTRIBUTION PLANS
Minimum service period of employee to qualify for qualified savings plan				6 months
Minimum working hours of employee to qualify for qualified savings plan				500 hours
401(k) savings plan | Condition 2
CONTRIBUTION PLANS
Minimum service period of employee to qualify for qualified savings plan				12 months
Minimum working hours of employee to qualify for qualified savings plan				1000 hours