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Reportable Segments - Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Assets    
Assets $ 3,085.9 $ 3,043.8
Goodwill 991.3 994.6
Identifiable intangible assets, net 544.7 556.1
Cryo Tank Solutions    
Assets    
Goodwill 82.9 84.9
Heat Transfer Systems    
Assets    
Goodwill 432.6 433.6
Specialty Products    
Assets    
Goodwill 300.6 300.9
Repair, Service & Leasing    
Assets    
Goodwill 175.2 175.2
Operating Segments    
Assets    
Assets 1,225.8 1,146.7
Operating Segments | Cryo Tank Solutions    
Assets    
Assets 448.8 407.2
Operating Segments | Heat Transfer Systems    
Assets    
Assets 256.1 225.8
Operating Segments | Specialty Products    
Assets    
Assets 357.9 327.5
Operating Segments | Repair, Service & Leasing    
Assets    
Assets 163.0 186.2
Corporate    
Assets    
Assets $ 324.1 $ 346.4