LEASES Supplemental cash flow information related to leases (Details) - USD ($) $ in Millions	3 Months Ended
	May 05, 2019	May 06, 2018
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 116.0
Operating cash flows from finance leases	0.1
Financing cash flows from finance leases	1.5	$ 1.2
Non-cash transactions:
Right-of-use assets obtained in exchange for new operating lease liabilities	85.1
Right-of-use assets obtained in exchange for new finance lease liabilities	$ 0.9