Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
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-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

Reference 3: 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_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Related Party Disclosures (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions		3 Months Ended		9 Months Ended	47 Months Ended
	Jan. 19, 2022	Feb. 28, 2022	Nov. 30, 2021	Feb. 28, 2022	Feb. 28, 2022
Related Party Transaction [Line Items]
Treasury Stock, Value, Acquired, Cost Method		$ 15.4	$ 4.2	$ 19.6	$ 52.3
Former Chief Executive Officer, Estate \| Repurchase of Common Stock
Related Party Transaction [Line Items]
Number of common stock repurchased (in shares)	300
Share Price	$ 42.43
Treasury Stock Acquired, Cost Per Share	$ 40.65
Share Price, Discount On Closing Price	4.20%
Treasury Stock, Value, Acquired, Cost Method	$ 12.2