Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

Stockholders' Equity (Dividends) (Details) - $ / shares			1 Months Ended								3 Months Ended								12 Months Ended
Stockholders' Equity (Dividends) (Details) - $ / shares	Mar. 31, 2021	Mar. 02, 2021	Nov. 30, 2019	Aug. 31, 2019	May 31, 2019	Mar. 31, 2019	Nov. 30, 2018	Aug. 31, 2018	May 31, 2018	Mar. 31, 2018	Jan. 30, 2021	Oct. 31, 2020	Aug. 01, 2020	May 02, 2020	Feb. 01, 2020	Nov. 02, 2019	Aug. 03, 2019	May 04, 2019	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019
Class of Stock [Line Items]
Cash dividends declared per share (in dollars per share)			$ 0.255	$ 0.255	$ 0.255	$ 0.255	$ 0.225	$ 0.225	$ 0.225	$ 0.225	$ 0	$ 0	$ 0	$ 0.285	$ 0.255	$ 0.255	$ 0.255	$ 0.255	$ 0.285	$ 1.020	$ 0.900
Subsequent Event
Class of Stock [Line Items]
Cash dividends declared per share (in dollars per share)	$ 0.285	$ 0.285