Basis of Presentation and Summary of Significant Accounting Policies (Details) $ in Millions	3 Months Ended		9 Months Ended
	Nov. 03, 2018 USD ($)	Oct. 28, 2017 USD ($)	Nov. 03, 2018 USD ($)	Oct. 28, 2017 USD ($)
Component of Operating Other Cost and Expense [Line Items]
Number of Stores	1,415		1,415
Number of States in which Entity Operates	47		47
Operating Cycle			52 or 53 weeks
Fiscal Period			P52W	P53W
Current Quarter Period	P13W	P13W
Current Quarter Year To Date Period			P39W	P39W
Distribution and Outbound Transportation Costs	$ 45.5	$ 39.4	$ 131.1	$ 115.6
Advertising Expense	$ 16.4	$ 15.3	$ 54.7	$ 51.1