CONSOLIDATED BALANCE SHEETS Parenthetical - USD ($) $ in Millions	Feb. 03, 2018	Jan. 28, 2017
Statement of Financial Position [Abstract]
Less: accumulated depreciation	$ 3,192.1	$ 2,694.5
Accumulated Amortization, Favorable Lease Rights	230.9	159.3
Accumulated Amortization, Unfavorable Lease Rights	$ 61.1	$ 39.6
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	600,000,000	600,000,000
Common stock, shares outstanding (in shares)		236,136,439