BENEFIT PLANS, (Allocation of plan assets and assets at fair value) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015
Schedule of allocations of Plan's assets by category [Abstract]
2017 Target Allocations (in hundredths)	100.00%
Total (in hundredths)	100.00%	100.00%
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 26,161	$ 26,310	$ 32,792
Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 26,161	$ 26,310
Equity Securities [Member]
Schedule of allocations of Plan's assets by category [Abstract]
2017 Target Allocations (in hundredths)	50.00%
Total (in hundredths)	51.00%	48.00%
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 13,309	$ 12,607
Equity Securities [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 13,309	$ 12,607
Fixed Income Securities [Member]
Schedule of allocations of Plan's assets by category [Abstract]
2017 Target Allocations (in hundredths)	50.00%
Total (in hundredths)	48.00%	51.00%
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 12,540	$ 13,341
Fixed Income Securities [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 12,540	$ 13,341
Other - Primarily Cash [Member]
Schedule of allocations of Plan's assets by category [Abstract]
2017 Target Allocations (in hundredths)	0.00%
Total (in hundredths)	1.00%	1.00%
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 312	$ 362
Other - Primarily Cash [Member] | Quoted Prices in Active Markets for Identical Instruments (Level 1) [Member]
Schedule of plan assets are measured at fair value on a recurring basis [Abstract]
Total	$ 312	$ 362