Acquisitions - Definite-lived Intangible Assets (Details) - USD ($) $ in Millions				12 Months Ended
	Feb. 03, 2025	Dec. 18, 2024	May 01, 2024	Dec. 31, 2025	Apr. 30, 2025
Acquisitions
Weighted Average Useful Life (in years)				11 years 10 months 24 days
Customer relationships
Acquisitions
Weighted Average Useful Life (in years)				12 years 3 months 18 days
Indefinite-lived trade names
Acquisitions
Weighted Average Useful Life (in years)				14 years 7 months 6 days
Technologies
Acquisitions
Weighted Average Useful Life (in years)				7 years 3 months 18 days
ThermaFoam
Acquisitions
Fair Value	$ 6.7			$ 6.7
ThermaFoam | Customer relationships
Acquisitions
Fair Value	$ 6.5
Weighted Average Useful Life (in years)	9 years
ThermaFoam | Other intangibles
Acquisitions
Fair Value	$ 0.2
Weighted Average Useful Life (in years)	5 years
PFB Holdco, Inc
Acquisitions
Fair Value		$ 124.3
PFB Holdco, Inc | Customer relationships
Acquisitions
Fair Value		$ 81.5
Weighted Average Useful Life (in years)		11 years
PFB Holdco, Inc | Indefinite-lived trade names
Acquisitions
Fair Value		$ 15.0
Weighted Average Useful Life (in years)		15 years
PFB Holdco, Inc | Technologies
Acquisitions
Fair Value		$ 27.8
Weighted Average Useful Life (in years)		11 years
MTL Holdings LLC
Acquisitions
Fair Value			$ 248.3		$ 248.3
MTL Holdings LLC | Customer relationships
Acquisitions
Fair Value			$ 183.1
Weighted Average Useful Life (in years)			13 years
MTL Holdings LLC | Indefinite-lived trade names
Acquisitions
Fair Value			$ 44.6
Weighted Average Useful Life (in years)			19 years
MTL Holdings LLC | Technologies
Acquisitions
Fair Value			$ 18.1
Weighted Average Useful Life (in years)			11 years
MTL Holdings LLC | Software
Acquisitions
Fair Value			$ 2.5
Weighted Average Useful Life (in years)			5 years