Goodwill and Intangible Assets - Goodwill Rollforward (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($)
Goodwill
Beginning balance, goodwill	$ 992.0
Foreign currency translation adjustments and other	2.8
Purchase price adjustments	0.1
Ending balance, goodwill	2,933.2
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	129.0
Impairment loss	0.0
Ending Balance, accumulated goodwill impairment loss	129.0
Corporate
Goodwill
Beginning balance, goodwill	0.0
Goodwill acquired during the period	1,938.3
Foreign currency translation adjustments and other	0.0
Purchase price adjustments	0.0
Ending balance, goodwill	1,938.3
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	0.0
Impairment loss	0.0
Ending Balance, accumulated goodwill impairment loss	0.0
Howden Industries
Goodwill
Goodwill acquired during the period	1,938.3
Cryo Tank Solutions
Goodwill
Beginning balance, goodwill	79.1
Goodwill acquired during the period	0.0
Foreign currency translation adjustments and other	1.8
Purchase price adjustments	0.0
Ending balance, goodwill	80.9
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	23.5
Impairment loss	0.0
Ending Balance, accumulated goodwill impairment loss	23.5
Heat Transfer Systems
Goodwill
Beginning balance, goodwill	430.5
Goodwill acquired during the period	0.0
Foreign currency translation adjustments and other	1.0
Purchase price adjustments	0.0
Ending balance, goodwill	431.5
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	49.3
Impairment loss	0.0
Ending Balance, accumulated goodwill impairment loss	49.3
Specialty Products
Goodwill
Beginning balance, goodwill	304.0
Goodwill acquired during the period	0.0
Foreign currency translation adjustments and other	0.0
Purchase price adjustments	0.1
Ending balance, goodwill	304.1
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	35.8
Impairment loss	0.0
Ending Balance, accumulated goodwill impairment loss	35.8
Repair, Service & Leasing
Goodwill
Beginning balance, goodwill	178.4
Goodwill acquired during the period	0.0
Foreign currency translation adjustments and other	0.0
Purchase price adjustments	0.0
Ending balance, goodwill	178.4
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	20.4
Impairment loss	0.0
Ending Balance, accumulated goodwill impairment loss	$ 20.4