Reportable Segments - Segment Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information
Sales	$ 1,062.5	$ 897.9	$ 3,053.5	$ 2,337.5
Depreciation and amortization expense	68.1	67.0	200.0	163.2
Operating income (loss)	178.5	104.4	459.2	234.7
Operating Segments | Cryo Tank Solutions
Segment Reporting Information
Sales	162.5	159.0	487.7	435.2
Depreciation and amortization expense	5.7	7.8	16.5	17.2
Operating income (loss)	23.5	17.1	53.5	31.9
Operating Segments | Heat Transfer Systems
Segment Reporting Information
Sales	256.2	232.5	746.5	636.0
Depreciation and amortization expense	8.9	7.4	27.2	24.6
Operating income (loss)	61.3	43.4	157.6	120.5
Operating Segments | Specialty Products
Segment Reporting Information
Sales	283.3	240.0	797.4	602.9
Depreciation and amortization expense	7.0	5.7	20.9	17.9
Operating income (loss)	41.9	33.7	122.0	84.6
Operating Segments | Repair, Service & Leasing
Segment Reporting Information
Sales	360.5	271.3	1,022.0	688.5
Depreciation and amortization expense	43.5	45.1	129.4	100.8
Operating income (loss)	102.0	42.3	265.1	121.0
Intersegment Eliminations
Segment Reporting Information
Sales	0.0	(4.9)	(0.1)	(25.1)
Depreciation and amortization expense	0.0	0.0	0.0	0.0
Operating income (loss)	0.0	0.0	0.0	0.0
Corporate
Segment Reporting Information
Sales	0.0	0.0	0.0	0.0
Depreciation and amortization expense	3.0	1.0	6.0	2.7
Operating income (loss)	$ (50.2)	$ (32.1)	$ (139.0)	$ (123.3)