RETIREMENT AND BENEFIT PLANS Amounts Recognized in Balance Sheets (Details) - USD ($) $ in Millions	Jan. 31, 2021	Feb. 02, 2020
Pension Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-current assets	$ 0.0	$ 1.7
Current liabilities	0.0	0.0
Non-current liabilities	(74.7)	(110.6)
Net amount recognized	(74.7)	(108.9)
SERP Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-current assets	0.0	0.0
Current liabilities	(10.2)	(9.3)
Non-current liabilities	(111.5)	(115.2)
Net amount recognized	(121.7)	(124.5)
Postretirement Plans [Member]
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Non-current assets	0.0	0.0
Current liabilities	(0.8)	(1.1)
Non-current liabilities	(5.5)	(7.1)
Net amount recognized	$ (6.3)	$ (8.2)