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Investments - Equity Method Investments Narratives (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 17, 2023	Dec. 31, 2022
Debt and Equity Securities, FV-NI
Equity method investments	$ 104.7			$ 93.0
Equity in loss of unconsolidated affiliates, net	(0.5)	$ (0.3)
Payments to acquire equity interest	12.4
Cryomotive GmbH
Debt and Equity Securities, FV-NI
Equity method investments	5.1			4.9
Equity in loss of unconsolidated affiliates, net	0.1	(0.5)
HTEC
Debt and Equity Securities, FV-NI
Equity method investments	79.7			80.8
Equity in loss of unconsolidated affiliates, net	(1.0)	(0.3)
Hudson Products de Mexico S.A. de CV
Debt and Equity Securities, FV-NI
Equity method investments	4.3			4.0
Equity in loss of unconsolidated affiliates, net	$ 0.3	0.3
Equity investments, ownership interest (percent)	50.00%
Liberty LNG
Debt and Equity Securities, FV-NI
Equity method investments	$ 3.0			$ 2.9
Equity in loss of unconsolidated affiliates, net	$ 0.1	$ 0.1
Equity investments, ownership interest (percent)	25.00%
Other Investments
Debt and Equity Securities, FV-NI
Equity in loss of unconsolidated affiliates, net	$ 0.4
Hylium Industries, Inc.
Debt and Equity Securities, FV-NI
Equity method investments	$ 2.2
Equity investments, ownership interest (percent)	50.00%
Payments to acquire equity interest	$ 2.3
L &T Howden Private Ltd.
Debt and Equity Securities, FV-NI
Equity method investments	10.0
Equity in loss of unconsolidated affiliates, net	0.0
Equity investments, ownership interest (percent)			49.90%
L &T Howden Private Ltd. \| Co-venturer
Debt and Equity Securities, FV-NI
Equity method investments	$ 10.1