Goodwill and Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	May 31, 2022	May 16, 2022	Dec. 14, 2021	Aug. 27, 2021	Jul. 01, 2021	Feb. 16, 2021
Goodwill
Beginning balance, goodwill	$ 994,600	$ 865,900
Goodwill acquired during the period	18,500	140,100
Foreign currency translation adjustments and other	(8,900)	(12,800)
Purchase price adjustments	(12,200)
Ending balance, goodwill	992,000	994,600
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	129,000	129,000
Ending Balance, accumulated goodwill impairment loss	129,000	129,000
Fronti Fabrications Inc
Goodwill Impaired
Net assets acquired			$ 14,300
AdEdge
Goodwill
Purchase price adjustments	500
Goodwill Impaired
Net assets acquired	16,400					$ 15,900
CSC Cryogenic Service Center AB
Goodwill Impaired
Net assets acquired				$ 3,100
L.A Turbine
Goodwill
Beginning balance, goodwill	42,100
Goodwill acquired during the period		42,100
Purchase price adjustments	200
Ending balance, goodwill		42,100
Goodwill Impaired
Net assets acquired							$ 78,000
Cryo Technologies
Goodwill Impaired
Net assets acquired								$ 34,900
Earthly Labs Inc.
Goodwill Impaired
Net assets acquired	34,300				$ 47,200
Cryo Tank Solutions
Goodwill
Beginning balance, goodwill	84,900	93,200
Goodwill acquired during the period	0	0
Foreign currency translation adjustments and other	(5,800)	(8,300)
Purchase price adjustments	0	0
Ending balance, goodwill	79,100	84,900
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	23,500	23,500
Ending Balance, accumulated goodwill impairment loss	23,500	23,500
Heat Transfer Systems
Goodwill
Beginning balance, goodwill	433,600	435,200
Goodwill acquired during the period	0	2,900
Foreign currency translation adjustments and other	(3,100)	(4,500)
Purchase price adjustments	0	0
Ending balance, goodwill	430,500	433,600
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	49,300	49,300
Ending Balance, accumulated goodwill impairment loss	49,300	49,300
Heat Transfer Systems | L.A Turbine
Goodwill
Goodwill acquired during the period		2,900
Specialty Products
Goodwill
Beginning balance, goodwill	300,900	172,400
Goodwill acquired during the period	15,400	127,100
Foreign currency translation adjustments and other	(300)	0
Purchase price adjustments	(12,000)	1,400
Ending balance, goodwill	304,000	300,900
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	35,800	35,800
Ending Balance, accumulated goodwill impairment loss	35,800	35,800
Specialty Products | Fronti Fabrications Inc
Goodwill
Goodwill acquired during the period	14,300
Specialty Products | AdEdge
Goodwill
Goodwill acquired during the period	1,100
Specialty Products | L.A Turbine
Goodwill
Goodwill acquired during the period		29,100
Specialty Products | BIG
Goodwill
Purchase price adjustments		1,400
Repair, Service & Leasing
Goodwill
Beginning balance, goodwill	175,200	165,100
Goodwill acquired during the period	3,100	10,100
Foreign currency translation adjustments and other	300	0
Purchase price adjustments	(200)	0
Ending balance, goodwill	178,400	175,200
Goodwill Impaired
Beginning Balance, accumulated goodwill impairment loss	20,400	20,400
Ending Balance, accumulated goodwill impairment loss	20,400	20,400
Repair, Service & Leasing | CSC Cryogenic Service Center AB
Goodwill
Goodwill acquired during the period	$ 3,100
Repair, Service & Leasing | L.A Turbine
Goodwill
Goodwill acquired during the period		$ 10,100