Quarterly report [Sections 13 or 15(d)]

Note 16 - Commitments and Contingencies (Details Textual)

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Note 16 - Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Feb. 06, 2025
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Gain (Loss) from Litigation Settlement   $ (0.0)   $ (0.0) $ 33.0 $ (0.0)
Praxair/Linde [Member]            
Litigation Settlement, Amount Awarded from Other Party $ 66.0          
Litigation Settlement Interest $ 23.5          
Gain (Loss) from Litigation Settlement     $ 33.0      
Litigation Settlement, Cash Tax Amount to be Paid   $ 8.0     $ 8.0