Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Goodwill
Beginning balance, goodwill	$ 992.0	$ 994.6
Foreign currency translation adjustments and other	4.2	(8.9)
Goodwill acquired during the year	2,085.3	18.5
Divestitures	(175.1)
Purchase price adjustments	0.4	(12.2)
Ending balance, goodwill	2,906.8	992.0
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	129.0	129.0
Ending Balance, accumulated goodwill impairment loss	129.0	129.0
Corporate
Goodwill
Beginning balance, goodwill	0.0	0.0
Foreign currency translation adjustments and other		0.0
Goodwill acquired during the year		0.0
Purchase price adjustments		0.0
Ending balance, goodwill		0.0
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	0.0	0.0
Ending Balance, accumulated goodwill impairment loss		0.0
Cryo Tank Solutions | Operating Segments
Goodwill
Beginning balance, goodwill	79.1	84.9
Foreign currency translation adjustments and other	3.3	(5.8)
Goodwill acquired during the year	204.2	0.0
Divestitures	(67.3)
Purchase price adjustments	0.0	0.0
Ending balance, goodwill	219.3	79.1
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	23.5	23.5
Ending Balance, accumulated goodwill impairment loss	23.5	23.5
Heat Transfer Systems | Operating Segments
Goodwill
Beginning balance, goodwill	430.5	433.6
Foreign currency translation adjustments and other	0.8	(3.1)
Goodwill acquired during the year	59.1	0.0
Divestitures	(10.0)
Purchase price adjustments	0.0	0.0
Ending balance, goodwill	480.4	430.5
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	49.3	49.3
Ending Balance, accumulated goodwill impairment loss	49.3	49.3
Specialty Products | Operating Segments
Goodwill
Beginning balance, goodwill	304.0	300.9
Foreign currency translation adjustments and other	0.0	(0.3)
Goodwill acquired during the year	304.4	15.4
Divestitures	(40.6)
Purchase price adjustments	0.1	(12.0)
Ending balance, goodwill	567.9	304.0
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	35.8	35.8
Ending Balance, accumulated goodwill impairment loss	35.8	35.8
Specialty Products | Fronti Fabrications Inc
Goodwill
Goodwill acquired during the year		14.3
Repair, Service & Leasing | Operating Segments
Goodwill
Beginning balance, goodwill	178.4	175.2
Foreign currency translation adjustments and other	0.1	0.3
Goodwill acquired during the year	1,517.6	3.1
Divestitures	(57.2)
Purchase price adjustments	0.3	(0.2)
Ending balance, goodwill	1,639.2	178.4
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	20.4	20.4
Ending Balance, accumulated goodwill impairment loss	$ 20.4	20.4
Repair, Service & Leasing | AdEdge
Goodwill
Goodwill acquired during the year		1.1
Repair, Service & Leasing | CSC Cryogenic Service Center AB
Goodwill
Goodwill acquired during the year		$ 3.1