Shareholders' Equity (Shares Repurchased Under Stock Repurchase Program) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		1 Months Ended	3 Months Ended
		Apr. 29, 2026	Mar. 31, 2026	Mar. 31, 2025
Class of Stock [Line Items]
Aggregate purchase price			$ 302.6	$ 226.6
Excise tax accrual on share repurchases			$ 2.6	$ 1.8
Stock Repurchase Program Board Authorized Repurchases
Class of Stock [Line Items]
Shares repurchased (in shares)			1.5	1.4
Aggregate purchase price	[1]		$ 300.0	$ 224.8
Average purchase price per share (in dollars per share)			$ 200.99	$ 164.95
Remaining amount available for share repurchase			$ 776.0
Stock Repurchase Program Board Authorized Repurchases | Subsequent Event
Class of Stock [Line Items]
Shares repurchased (in shares)		0.5
Aggregate purchase price		$ 90.9
Average purchase price per share (in dollars per share)		$ 201.22

[1] (1) Excludes the excise tax imposed under the Inflation Reduction Act of $2.6 million and $1.8 million for the three months ended March 31, 2026, and March 31, 2025, respectively.