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Investments - Equity Method Investments Narratives (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Mar. 17, 2023
Dec. 31, 2022
Debt and Equity Securities, FV-NI              
Equity method investments $ 119.0     $ 119.0     $ 93.0
Equity in earnings (loss) of unconsolidated affiliates       2.4 $ (0.3)    
Dividends received from equity method investments       1.7      
Payments to acquire equity interest       25.5      
Howden Industries              
Debt and Equity Securities, FV-NI              
Equity method investments 22.3     22.3      
Cryomotive GmbH              
Debt and Equity Securities, FV-NI              
Equity method investments 4.7     4.7     4.9
Equity in earnings (loss) of unconsolidated affiliates (0.2)   $ 0.4 (0.3) 1.3    
HTEC              
Debt and Equity Securities, FV-NI              
Equity method investments 81.3     81.3     80.8
Equity in earnings (loss) of unconsolidated affiliates 0.3   0.2 (0.1) (0.3)    
Hudson Products de Mexico S.A. de CV              
Debt and Equity Securities, FV-NI              
Equity method investments 4.5     4.5     4.0
Equity in earnings (loss) of unconsolidated affiliates $ 0.2   0.3 $ 0.7 0.9    
Equity investments, ownership interest (percent) 50.00%     50.00%      
Dividends received from equity method investments $ 0.2     $ 0.2      
Liberty LNG              
Debt and Equity Securities, FV-NI              
Equity method investments 3.0     3.0     $ 2.9
Equity in earnings (loss) of unconsolidated affiliates $ 0.0   $ 0.2 $ 0.1 $ 0.4    
Equity investments, ownership interest (percent) 25.00%     25.00%      
Other Investments              
Debt and Equity Securities, FV-NI              
Equity in earnings (loss) of unconsolidated affiliates       $ 0.4      
Hylium Industries, Inc.              
Debt and Equity Securities, FV-NI              
Equity method investments $ 2.2     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 21.7     21.7      
Equity in earnings (loss) of unconsolidated affiliates 1.0     1.0      
Equity investments, ownership interest (percent)           49.90%  
Dividends received from equity method investments $ 1.5     $ 1.5