Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended					3 Months Ended					9 Months Ended
	Mar. 31, 2020	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Mar. 31, 2019	Aug. 01, 2020	May 02, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Oct. 31, 2020	Nov. 02, 2019
Summary of Significant Accounting Policies [Line Items]
Cash dividends declared per share (in dollars per share)	$ 0.285	$ 0.255	$ 0.255	$ 0.255	$ 0.255		$ 0.285	$ 0.255	$ 0.255	$ 0.255
Property, Plant and Equipment
Summary of Significant Accounting Policies [Line Items]
Property and equipment purchased but not yet paid											$ 22.4	$ 11.1
COVID-19 Pandemic
Summary of Significant Accounting Policies [Line Items]
Percentage of stores open for the period						75.00%