Treasury Stock Transactions (Details) - USD ($) shares in Millions, $ in Millions			3 Months Ended
		Apr. 01, 2024	Mar. 31, 2024	Sep. 30, 2023	Mar. 31, 2023
Equity, Class of Treasury Stock
Number of Treasury Shares Repurchased			2.5		1.3
Cost of Shares Repurchased	[1]		$ 123.0		$ 53.6
Shares repurchased cost Commissions
Shares repurchases cost Excise Tax			1.1		$ 0.1
Accelerated Share Repurchase Agreement
Equity, Class of Treasury Stock
Cost of Shares Repurchased			$ 100.0	$ 50.0
Repurchase Program Authorized in December 2022
Equity, Class of Treasury Stock
Expiration Date of Share Repurchase Program			Dec. 31, 2023
Authorized Amount of Treasury Share Repurchases Under Stock Repurchase Program			$ 250.0
Remaining Amount of Treasury Share Repurchases Authorized Under Stock Repurchase Program			0.0
Repurchase Program Authorized in October 2023
Equity, Class of Treasury Stock
Authorized Amount of Treasury Share Repurchases Under Stock Repurchase Program			500.0
Remaining Amount of Treasury Share Repurchases Authorized Under Stock Repurchase Program			$ 378.1
Subsequent Event | Accelerated Share Repurchase Agreement
Equity, Class of Treasury Stock
Cost of Shares Repurchased		$ 125.0

[1] 1Includes a de minimis amount of commissions for the three months ended March 31, 2024 and 2023. Also includes $1.1 million and $0.1 million of excise taxes for the three months ended March 31, 2024 and 2023, respectively.