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Reportable Segments - Assets (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Assets
Assets	$ 9,277.5	$ 9,102.4
Goodwill	2,929.6	2,906.8
Identifiable intangible assets, net	2,645.4	2,791.9
Operating Segments
Assets
Assets	3,085.1	2,864.7
Operating Segments | Cryo Tank Solutions
Assets
Assets	739.2	706.1
Goodwill	217.4	219.3
Operating Segments | Heat Transfer Systems
Assets
Assets	615.0	560.7
Goodwill	479.0	480.4
Operating Segments | Specialty Products
Assets
Assets	774.7	647.8
Goodwill	575.3	567.9
Operating Segments | Repair, Service & Leasing
Assets
Assets	956.2	950.1
Goodwill	1,657.9	1,639.2
Corporate
Assets
Assets	$ 617.4	$ 539.0

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