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Business Segments - Income Statement Items (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue:
Total revenue	$ 10,490.9	$ 12,245.3	$ 32,407.5	$ 35,707.6
Income from operations:
Total income from operations	72.3	73.3	180.7	213.3
Corporate overhead - unallocated
Income from operations:
Total income from operations	(26.5)	(29.5)	(81.4)	(83.0)
Aviation segment
Revenue:
Total revenue	5,218.4	5,983.5	15,731.3	17,400.8
Aviation segment | Operating Segments
Income from operations:
Total income from operations	68.7	58.6	180.6	150.7
Land segment
Revenue:
Total revenue	3,151.6	3,983.5	9,860.6	11,517.1
Land segment | Operating Segments
Income from operations:
Total income from operations	15.2	31.8	29.4	82.6
Marine segment
Revenue:
Total revenue	2,121.0	2,278.2	6,815.6	6,789.8
Marine segment | Operating Segments
Income from operations:
Total income from operations	$ 14.9	$ 12.4	$ 52.1	$ 63.0

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The net result for the period of deducting operating expenses from operating revenues.

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