Employee Benefit Plans Change in Projected Benefit Obligation Amount (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pension Plan | UNITED STATES
Defined Benefit Plan, Change in Benefit Obligation
Benefit Obligation at Beginning of Year		$ 1,518.6	$ 1,575.3
Service Cost		9.4	9.2	$ 9.2
Interest Cost		85.5	82.9	87.9
Plan Participant Contributions		0.0	0.0
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	[1]	8.7	(57.7)
Benefits and Expenses Paid		(94.9)	(91.1)
Defined Benefit Plan, Benefit Obligation, Payment for Settlement		367.2	0.0
Change in Foreign Exchange Rates		0.0	0.0
Benefit Obligation at End of Year		1,160.1	1,518.6	1,575.3
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year		1,241.6	1,295.9
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)		147.3	27.1
Employer Contributions to Defined Benefit Plan		10.3	9.7
Plan Participant Contributions		0.0	0.0
Benefits and Expenses Paid		(94.9)	(91.1)
Defined Benefit Plan, Plan Assets, Payment for Settlement		367.2	0.0
Effect of Foreign Exchange Rates on Plan Assets		0.0	0.0
Fair Value of Plan Assets at End of Year		937.1	1,241.6	1,295.9
Accumulated Benefit Obligation		1,160.1	1,518.6
Underfunded Status of Plan		223.0	277.0
Pension Plan | Foreign Plan
Defined Benefit Plan, Change in Benefit Obligation
Benefit Obligation at Beginning of Year		152.1	172.3
Service Cost		0.0	0.0	0.0
Interest Cost		8.6	7.6	7.7
Plan Participant Contributions		0.0	0.0
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	[1]	(6.4)	(19.3)
Benefits and Expenses Paid		(5.7)	(5.9)
Defined Benefit Plan, Benefit Obligation, Payment for Settlement		0.0	0.0
Change in Foreign Exchange Rates		11.6	(2.6)
Benefit Obligation at End of Year		160.2	152.1	172.3
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year		125.3	145.4
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)		5.1	(12.1)
Employer Contributions to Defined Benefit Plan		19.2	0.0
Plan Participant Contributions		0.0	0.0
Benefits and Expenses Paid		(5.7)	(5.9)
Defined Benefit Plan, Plan Assets, Payment for Settlement		0.0	0.0
Effect of Foreign Exchange Rates on Plan Assets		10.0	(2.1)
Fair Value of Plan Assets at End of Year		153.9	125.3	145.4
Accumulated Benefit Obligation		160.2	152.1
Underfunded Status of Plan		6.3	26.8
Other Postretirement Benefit Plans
Defined Benefit Plan, Change in Benefit Obligation
Benefit Obligation at Beginning of Year		72.8	79.0
Service Cost		0.0	0.0	0.0
Interest Cost		4.0	4.0	4.5
Plan Participant Contributions		0.0	0.1
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss)	[1]	2.1	(1.5)
Benefits and Expenses Paid		(8.5)	(8.8)
Defined Benefit Plan, Benefit Obligation, Payment for Settlement		0.0	0.0
Change in Foreign Exchange Rates		0.0	0.0
Benefit Obligation at End of Year		70.4	72.8	79.0
Defined Benefit Plan, Change in Fair Value of Plan Assets
Fair Value of Plan Assets at Beginning of Year		7.9	8.2
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss)		0.0	0.1
Employer Contributions to Defined Benefit Plan		8.0	8.3
Plan Participant Contributions		0.1	0.1
Benefits and Expenses Paid		(8.5)	(8.8)
Defined Benefit Plan, Plan Assets, Payment for Settlement		0.0	0.0
Effect of Foreign Exchange Rates on Plan Assets		0.0	0.0
Fair Value of Plan Assets at End of Year		7.5	7.9	$ 8.2
Underfunded Status of Plan		$ 62.9	$ 64.9

[1] The actuarial loss recognized in 2025 for the U.S. plans was driven by unfavorable demographic experience. The actuarial gain recognized in 2025 for the U.K. plan was driven by a decrease in inflation-related assumptions and an increase in the discount rate assumption. The actuarial loss recognized in 2025 for the OPEB plan was driven by a decrease in the discount rate assumption. The actuarial gains recognized in 2024 for the U.S., U.K., and OPEB plans were driven by increases in the discount rate assumption.