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RETIREMENT AND BENEFIT PLANS Accumulated and Projected Benefit Obligations in Excess of Plan Assets (Details)
$ in Millions
Jan. 31, 2016
USD ($)
plans
Feb. 01, 2015
USD ($)
plans
Compensation and Retirement Disclosure [Abstract]    
Number of plans with projected benefit obligations in excess of plan assets | plans 5 5
Aggregate projected benefit obligation $ 651.7 $ 734.8
Aggregate fair value of related plan assets $ 567.4 $ 654.8
Number of plans with accumulated benefit obligations in excess of plan assets | plans 5 5
Aggregate accumulated benefit obligation $ 610.7 $ 694.3
Aggregate fair value of related plan assets $ 567.4 $ 654.8