Employee Benefit Plans US Pension Assets, Fair Value Measurement by Input Level (Details) - UNITED STATES - Pension Plan - USD ($) $ in Millions		Dec. 31, 2025	Dec. 31, 2024
Equity Funds
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		$ 260.1	$ 424.8
Equity Funds | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		32.1	52.5
Equity Funds | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Equity Funds | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Equity Funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		228.0	372.3
U.S. Government and Agencies
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount	[1]	315.7	341.4
U.S. Government and Agencies | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount	[1]	323.5	357.5
U.S. Government and Agencies | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount	[1]	(7.8)	(16.1)
U.S. Government and Agencies | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount	[1]	0.0	0.0
U.S. Government and Agencies | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount	[1]	0.0	0.0
Corporate Debt Securities
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		92.9	124.1
Corporate Debt Securities | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Corporate Debt Securities | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Corporate Debt Securities | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Corporate Debt Securities | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		92.9	124.1
Non-U.S. Emerging Markets
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		44.6	32.4
Non-U.S. Emerging Markets | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Non-U.S. Emerging Markets | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Non-U.S. Emerging Markets | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Non-U.S. Emerging Markets | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		44.6	32.4
Opportunistic Credits
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		82.9	139.6
Opportunistic Credits | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Opportunistic Credits | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Opportunistic Credits | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Opportunistic Credits | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		82.9	139.6
Real Estate
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		177.6	166.1
Real Estate | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Real Estate | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Real Estate | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Real Estate | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		177.6	166.1
Private Equity Funds, Private Equity Direct Investments
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		56.3	63.1
Private Equity Funds, Private Equity Direct Investments | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Private Equity Funds, Private Equity Direct Investments | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Private Equity Funds, Private Equity Direct Investments | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Private Equity Funds, Private Equity Direct Investments | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		56.3	63.1
Private Equity Funds
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		30.3	35.2
Private Equity Funds | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Private Equity Funds | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Private Equity Funds | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Private Equity Funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		30.3	35.2
Repurchase Agreements
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		(141.9)	(123.0)
Repurchase Agreements | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Repurchase Agreements | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		(141.9)	(123.0)
Repurchase Agreements | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Repurchase Agreements | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Cash and Cash Equivalents
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		26.6	17.2
Cash and Cash Equivalents | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		26.6	17.2
Cash and Cash Equivalents | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Cash and Cash Equivalents | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Cash and Cash Equivalents | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Total Invested Assets
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		945.1	1,220.9
Total Invested Assets | Fair Value, Inputs, Level 1
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		382.2	427.2
Total Invested Assets | Fair Value, Inputs, Level 2
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		(149.7)	(139.1)
Total Invested Assets | Fair Value, Inputs, Level 3
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		0.0	0.0
Total Invested Assets | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure
Defined Benefit Plan, Plan Assets, by Investment Category, Amount		$ 712.6	$ 932.8

[1] Includes derivatives which hedge the risk associated with certain U.S. Government and Agencies Securities.