EMPLOYEE BENEFIT PLANS (Details 3)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Pension Benefits
Weighted average assumptions used to determine benefit obligations
Discount rate (as a percent)	3.80%	4.10%
Weighted average assumptions used to determine net periodic benefit expense (income)
Discount rate (as a percent)	4.10%	5.20%	5.50%
Expected long-term return on plan assets (as a percent)	7.20%	7.50%	6.80%
Medical and Life Insurance Benefits
Weighted average assumptions used to determine benefit obligations
Discount rate (as a percent)	3.80%	4.10%
Weighted average assumptions used to determine net periodic benefit expense (income)
Discount rate (as a percent)	4.10%	5.20%	5.50%
Assumed health care cost trend rates
Assumed annual rate of increase in per capita cost of covered health care benefits for 2013 (as a percent)	7.50%
Ultimate trend rate as of 2018 (as a percent)	5.00%