Leases - Narrative (Details) - Madison Industries IAQ Solutions Corporation $ in Millions	Mar. 31, 2026 USD ($) lease_extension	Dec. 31, 2025 USD ($)
Lessee, Lease, Description [Line Items]
Weighted-average remaining lease term, operating leases	6 years 1 month 6 days	6 years 1 month 6 days
Weighted-average discount rate, operating leases	6.10%	6.30%
Weighted-average remaining lease term, finance leases	3 years 1 month 6 days	3 years 1 month 6 days
Weighted-average discount rate, finance leases	5.40%	5.40%
Operating lease, right-of-use asset	$ 135.7	$ 106.8
Operating lease liability	$ 142.3	$ 112.1
Production Facility
Lessee, Lease, Description [Line Items]
Lease term	7 years
Number of lease extensions | lease_extension	2
Renewal term	5 years
Lease liability to be paid	$ 37.7
Operating lease, right-of-use asset	30.1
Operating lease liability	$ 30.1