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

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- Definition

Date the declared dividend will be paid, in CCYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

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- Definition

Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

+ References

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Event (Details) - $ / shares					3 Months Ended
Subsequent Event (Details) - $ / shares	Aug. 30, 2019	Aug. 22, 2019	Aug. 16, 2019	May 29, 2019	Jul. 31, 2019	Jul. 31, 2018
Subsequent Event [Line Items]
Cash dividends declared per common share (in usd per share)				$ 0.11	$ 0.11	$ 0.11
Cash dividend payable date	Aug. 30, 2019
Cash dividends declared, record date			Aug. 16, 2019
Subsequent Event
Subsequent Event [Line Items]
Cash dividends declared per common share (in usd per share)		$ 0.11
Cash dividend payable date		Dec. 06, 2019
Cash dividends declared, record date		Nov. 22, 2019