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Business Segments, Geographic Information, and Major Customers - Other Income Statement Items (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Depreciation, Depletion and Amortization [Abstract]      
Depreciation and amortization $ 106.4 $ 104.5 $ 107.8
Capital expenditures:      
Capital expenditures 68.2 87.6 78.6
Operating Segments      
Depreciation, Depletion and Amortization [Abstract]      
Depreciation and amortization 98.7 96.8 101.3
Capital expenditures:      
Capital expenditures 63.0 76.4 68.7
Operating Segments | Aviation      
Depreciation, Depletion and Amortization [Abstract]      
Depreciation and amortization 28.1 32.0 32.8
Capital expenditures:      
Capital expenditures 34.1 25.3 25.9
Operating Segments | Marine      
Depreciation, Depletion and Amortization [Abstract]      
Depreciation and amortization 3.6 3.6 3.3
Capital expenditures:      
Capital expenditures 7.4 8.7 4.8
Operating Segments | Land      
Depreciation, Depletion and Amortization [Abstract]      
Depreciation and amortization 67.0 61.3 65.1
Capital expenditures:      
Capital expenditures 21.5 42.5 38.1
Corporate      
Depreciation, Depletion and Amortization [Abstract]      
Depreciation and amortization 7.7 7.7 6.5
Capital expenditures:      
Capital expenditures $ 5.2 $ 11.1 $ 9.9