Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions		1 Months Ended			3 Months Ended			6 Months Ended
	Mar. 02, 2021	Aug. 31, 2021	May 31, 2021	Mar. 31, 2020	Jul. 31, 2021	May 01, 2021	May 02, 2020	Jul. 31, 2021	Aug. 01, 2020
Summary of Significant Accounting Policies [Line Items]
Cash dividends declared per share (in dollars per share)	$ 0.285		$ 0.285	$ 0.285	$ 0.285	$ 0.285	$ 0.285
Subsequent Event
Summary of Significant Accounting Policies [Line Items]
Cash dividends declared per share (in dollars per share)		$ 0.285
Property, Plant and Equipment
Summary of Significant Accounting Policies [Line Items]
Property and equipment purchased but not yet paid								$ 11.7	$ 22.6