BENEFIT PLANS, (Changes in plan assets and benefit obligations) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015
Summary of other changes in Plan assets and benefit obligations recognized in other comprehensive loss [Abstract]
Amortization of net loss	$ (774)	$ (399)
Other Comprehensive Income (Loss), Finalization of Pension and Other Postretirement Benefit Plan Valuation, before Tax	(748)	0
Net loss	689	4,012
Net change recognized in other comprehensive loss, pre-tax	(833)	$ 3,613
Estimated net loss will be amortized from accumulated other comprehensive loss into net periodic benefit cost over the next fiscal year	$ 900