Debt and Bank Credit Facilities - Schedule Of Indebtedness (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Debt Instrument [Line Items]
Finance Leases	$ 93.8	$ 70.1
Less: Debt Issuance Costs	(30.4)	(42.1)
Total	4,788.7	5,457.7
Less: Current Maturities	24.1	5.0
Non-Current Portion	4,764.6	5,452.7
Senior Notes
Debt Instrument [Line Items]
Long-term debt	4,700.0	4,700.0
Senior Notes | Altra Notes
Debt Instrument [Line Items]
Long-term debt	18.1	18.1
Line of Credit | Term Facility
Debt Instrument [Line Items]
Long-term debt	0.0	665.0
Line of Credit | Multicurrency Revolving Facility
Debt Instrument [Line Items]
Long-term debt	0.0	40.0
Other
Debt Instrument [Line Items]
Long-term debt	$ 7.2	$ 6.6