Investments - Equity Method Investment Narrative (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Mar. 17, 2023
Debt and Equity Securities, FV-NI
Equity method investments		$ 109.9	$ 93.0	$ 99.6
Income (loss) from equity method investments		2.7	(0.5)	0.3
Payments to acquire equity method investments		15.3	0.5
Equity in (loss) earnings		2.7	(0.5)
Howden Industries
Debt and Equity Securities, FV-NI
Equity method investments					$ 12.0
Cryomotive GmbH
Debt and Equity Securities, FV-NI
Equity method investments		4.7	4.9
Income (loss) from equity method investments		(0.5)	(1.7)	(0.6)
HTEC
Debt and Equity Securities, FV-NI
Equity method investments		82.3	80.8
Income (loss) from equity method investments		(0.2)	(0.4)	0.2
Hudson Products
Debt and Equity Securities, FV-NI
Equity method investments		4.7	4.0
Income (loss) from equity method investments		$ 0.9	1.1	0.5
Equity investments, ownership interest		50.00%
Equity in (loss) earnings		$ 0.2
Liberty LNG
Debt and Equity Securities, FV-NI
Equity method investments		2.7	2.9
Income (loss) from equity method investments		$ 0.1	0.5	$ 0.3
Equity investments, ownership interest		25.00%
Equity in (loss) earnings		$ 0.4
Hylium Industries, Inc.
Debt and Equity Securities, FV-NI
Equity method investments		2.2
Equity investments, ownership interest	50.00%
Payments to acquire equity method investments	$ 2.3
L &T Howden Private Ltd.
Debt and Equity Securities, FV-NI
Equity method investments		11.7
Income (loss) from equity method investments		1.4
Equity investments, ownership interest					49.90%
Equity in (loss) earnings		1.5
Lien Hwa Lox Cryogenic Equipment Corporation
Debt and Equity Securities, FV-NI
Payments to acquire equity method investments		$ 0.4	$ 0.4