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=27012166&loc=d3e187085-122770

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

Subsequent Events (Details) - $ / shares		3 Months Ended			9 Months Ended		12 Months Ended
Subsequent Events (Details) - $ / shares	Nov. 26, 2019	Nov. 02, 2019	May 04, 2019	Nov. 03, 2018	Nov. 02, 2019	Nov. 03, 2018	Feb. 02, 2019
Subsequent Events
Cash dividend announced on common stock (in dollars per share)		$ 0.1125	$ 0.1125	$ 0.2250	$ 0.4500	$ 0.6750	$ 0.225
Subsequent Events
Subsequent Events
Cash dividend announced on common stock (in dollars per share)	$ 0.1125