Derivative Financial Instruments - Schedule of Derivatives (Details) - Madison Industries IAQ Solutions Corporation - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Derivative [Line Items]
Notional Amount	$ 2,689.8	$ 2,576.4
Assets	5.4	2.5
Liabilities	(0.5)	(4.7)
Interest rate swaps and collars
Derivative [Line Items]
Notional Amount	2,550.0	2,550.0
Assets	3.5	0.3
Liabilities	(0.4)	(4.7)
Foreign currency swaps and options
Derivative [Line Items]
Notional Amount	139.8	26.4
Assets	1.9	2.2
Liabilities	$ (0.1)	$ 0.0