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Revenue - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Disaggregation of Revenue
Sales	$ 1,100.6	$ 1,062.5	$ 3,184.4	$ 3,053.5
Point in time
Disaggregation of Revenue
Sales	248.4	353.7	757.9	1,128.0
Over time
Disaggregation of Revenue
Sales	852.2	708.8	2,426.5	1,925.5
Operating Segments | Cryo Tank Solutions
Disaggregation of Revenue
Sales	151.2	162.5	460.3	487.7
Operating Segments | Cryo Tank Solutions | Point in time
Disaggregation of Revenue
Sales	56.5	83.6	173.1	285.2
Operating Segments | Cryo Tank Solutions | Over time
Disaggregation of Revenue
Sales	94.7	78.9	287.2	202.5
Operating Segments | Heat Transfer Systems
Disaggregation of Revenue
Sales	349.3	256.2	911.9	746.5
Operating Segments | Heat Transfer Systems | Point in time
Disaggregation of Revenue
Sales	9.4	5.5	16.4	26.9
Operating Segments | Heat Transfer Systems | Over time
Disaggregation of Revenue
Sales	339.9	250.7	895.5	719.6
Operating Segments | Specialty Products
Disaggregation of Revenue
Sales	269.9	283.3	838.9	797.4
Operating Segments | Specialty Products | Point in time
Disaggregation of Revenue
Sales	35.9	54.9	110.0	202.4
Operating Segments | Specialty Products | Over time
Disaggregation of Revenue
Sales	234.0	228.4	728.9	595.0
Operating Segments | Repair, Service & Leasing
Disaggregation of Revenue
Sales	330.2	360.5	973.3	1,022.0
Operating Segments | Repair, Service & Leasing | Point in time
Disaggregation of Revenue
Sales	146.6	209.7	458.4	613.5
Operating Segments | Repair, Service & Leasing | Over time
Disaggregation of Revenue
Sales	183.6	150.8	514.9	408.5
Intersegment Eliminations
Disaggregation of Revenue
Sales	0.0	0.0	0.0	(0.1)
Intersegment Eliminations | Point in time
Disaggregation of Revenue
Sales	0.0	0.0	0.0	0.0
Intersegment Eliminations | Over time
Disaggregation of Revenue
Sales	$ 0.0	$ 0.0	$ 0.0	$ (0.1)

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