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RETIREMENT AND BENEFIT PLANS Assumed Health Care Cost Trend Rates and Assumptions (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 29, 2017
Jan. 31, 2016
Feb. 01, 2015
Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rates [Abstract]      
Impact of 1% increase on service and interest cost $ 0.0    
Impact of 1% decrease on service and interest cost 0.0    
Impact of 1% increase on year-end accumulated postretirement benefit obligation 0.7    
Impact of 1% decrease on year-end accumulated postretirement benefit obligation $ (0.6)    
Pension and SERP Plans [Member]      
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]      
Discount rate 4.59% 4.72% 3.94%
Other Postretirement Benefit Plan [Member]      
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]      
Discount rate 4.04% 4.28% 3.53%
Pension Plans [Member]      
Defined Benefit Plan, Assumptions Used in Calculations [Abstract]      
Rate of increase in compensation levels (applies to Pension Plans) 4.27% 4.22% 4.28%
Long-term rate of return on assets (applies to Pension Plans) 6.50% 6.50% 6.75%