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

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-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Publisher FASB
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Name:	us-gaap_TreasuryStockValueAcquiredCostMethod
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Shareholders' Equity - Share Repurchase and Dividends (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Aug. 31, 2022	May 31, 2021
Shareholders' Equity
Excise tax on stock repurchases			1.00%
May 2021 Repurchase Program
Shareholders' Equity
Amount approved for repurchase of common stock				$ 500.0
Common stock repurchased during the period (in shares)	315,318	1,603,055
Aggregate cost of common stock repurchased during the period	$ 22.2	$ 105.6
Remaining authorization amount for repurchase of common stock	$ 94.4