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Goodwill and Intangible Assets - Goodwill Rollforward (Details) $ in Millions	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill
Balance at December 31, 2023	$ 2,906.8
Purchase accounting adjustments	42.6
Foreign currency translation adjustments and other	38.3
Balance at September 30, 2024	2,987.7
Goodwill Impaired
Accumulated goodwill impairment loss at December 31, 2023	129.0
Accumulated goodwill impairment loss at September 30, 2024	129.0
Operating Segments | Cryo Tank Solutions
Goodwill
Balance at December 31, 2023	219.3
Purchase accounting adjustments	2.6
Foreign currency translation adjustments and other	0.7
Balance at September 30, 2024	222.6
Goodwill Impaired
Accumulated goodwill impairment loss at December 31, 2023	23.5
Accumulated goodwill impairment loss at September 30, 2024	23.5
Operating Segments | Heat Transfer Systems
Goodwill
Balance at December 31, 2023	480.4
Purchase accounting adjustments	1.3
Foreign currency translation adjustments and other	(0.5)
Balance at September 30, 2024	481.2
Goodwill Impaired
Accumulated goodwill impairment loss at December 31, 2023	49.3
Accumulated goodwill impairment loss at September 30, 2024	49.3
Operating Segments | Specialty Products
Goodwill
Balance at December 31, 2023	567.9
Purchase accounting adjustments	10.9
Foreign currency translation adjustments and other	0.6
Balance at September 30, 2024	579.4
Goodwill Impaired
Accumulated goodwill impairment loss at December 31, 2023	35.8
Accumulated goodwill impairment loss at September 30, 2024	35.8
Operating Segments | Repair, Service & Leasing
Goodwill
Balance at December 31, 2023	1,639.2
Purchase accounting adjustments	27.8
Foreign currency translation adjustments and other	37.5
Balance at September 30, 2024	1,704.5
Goodwill Impaired
Accumulated goodwill impairment loss at December 31, 2023	20.4
Accumulated goodwill impairment loss at September 30, 2024	$ 20.4

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