Description of Business and Summary of Significant Accounting Policies Description of Business and Summary of Significant Accounting Policies(ASU2016-16) (Details) $ in Millions	12 Months Ended
	Feb. 02, 2019 USD ($)
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred charge related to the REIT transaction	$ 173.7
Deferred Tax Assets, Net	104.6
Cumulative Effect on Retained Earnings, Net of Tax	$ 69.1