SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Property and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Property and Equipment
Depreciation expense	$ 102.4	$ 98.1	$ 100.1
Building | Minimum
Property and Equipment
Estimated useful lives	10 years
Building | Maximum
Property and Equipment
Estimated useful lives	25 years
Leasehold Improvements | Minimum
Property and Equipment
Estimated useful lives	5 years
Leasehold Improvements | Maximum
Property and Equipment
Estimated useful lives	10 years
Furniture, fixtures and equipment | Minimum
Property and Equipment
Estimated useful lives	2 years
Furniture, fixtures and equipment | Maximum
Property and Equipment
Estimated useful lives	15 years