RETIREMENT AND BENEFIT PLANS (Details) $ in Millions	3 Months Ended		6 Months Ended
	Aug. 04, 2019 USD ($)	Aug. 05, 2018 USD ($)	Aug. 04, 2019 USD ($)	Aug. 05, 2018 USD ($)
Pension Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of Noncontributory Defined Benefit Pension Plans	5		5
Non-Contributory Defined Benefit Pension Plans, Vesting Period			5 years
Service cost	$ 8.5	$ 8.6	$ 16.7	$ 16.9
Interest cost	7.1	6.5	14.0	13.0
Expected return on plan assets	(10.1)	(10.1)	(20.2)	(20.1)
Total	$ 5.5	5.0	$ 10.5	9.8
SERP Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of Noncontributory Defined Benefit Pension Plans	3		3
Plan Benefit Payment Activation Age	65		65
Plan Benefit Payment Period			10 years
Minimum Number of Years of Employment			10 years
Minimum Age Prior to Employment Termination	55		55
Service cost	$ 1.4	1.6	$ 2.9	2.9
Interest cost	1.1	1.0	2.1	2.0
Total	$ 2.5	$ 2.6	$ 5.0	$ 4.9
Other Postretirement Benefit Plans, Defined Benefit [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Number of Noncontributory Defined Benefit Pension Plans	2		2