Schedule II - Condensed Financial Information of Registrant Share Repurchase (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	2 Months Ended	12 Months Ended
	Feb. 20, 2024	Dec. 31, 2023
Subsequent Event
Condensed Financial Statements, Captions [Line Items]
Treasury Stock, Value, Acquired, Cost Method	$ 83.1
Treasury Stock, Shares, Acquired	2.9
Treasury Stock Acquired, Average Cost Per Share	$ 28.33
August 18, 2022 Authorization
Condensed Financial Statements, Captions [Line Items]
Stock Repurchase Program, Authorized Amount		$ 450.0
Treasury Stock, Value, Acquired, Cost Method		$ 168.7
Treasury Stock, Shares, Acquired		6.7
Treasury Stock Acquired, Average Cost Per Share		$ 25.13
May 12, 2023 Authorization
Condensed Financial Statements, Captions [Line Items]
Stock Repurchase Program, Authorized Amount		$ 450.0
Treasury Stock, Value, Acquired, Cost Method		$ 366.5
Treasury Stock, Shares, Acquired		14.2
Treasury Stock Acquired, Average Cost Per Share		$ 25.82