Shareholders' Equity (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		2 Months Ended	6 Months Ended		12 Months Ended
	Jan. 28, 2025	Feb. 21, 2025	Dec. 31, 2024	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023
Class of Stock [Line Items]
Shares repurchased and retired during period (in shares)					25.3
Common stock repurchased and retired during period					$ 566.6
Remaining authorized repurchase amount			$ 457.2		$ 457.2
Shares repurchased during period to treasury (in shares)						21.7
Purchases of common stock to treasury						$ 340.6
Common stock, dividends, per share, cash paid (in dollars per share)			$ 0.13	$ 0.115
Cash dividends			$ 67.8	$ 63.3
Subsequent Event
Class of Stock [Line Items]
Shares repurchased and retired during period (in shares)		5.8
Common stock repurchased and retired during period		$ 142.3
Common stock, dividends, per share, declared (in dollars per share)	$ 0.13