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Restructuring - Summary of Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Restructuring Reserve [Roll Forward]
Restructuring charges	$ 6.0	$ 5.6	$ 21.0	$ 5.8
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			2.0
Restructuring charges			21.0
Payments for Restructuring			(10.1)
Ending balance	12.9		12.9
Operating Segments
Restructuring Reserve [Roll Forward]
Restructuring charges	4.1	4.3	14.0	4.6
Operating Segments | Aviation
Restructuring Reserve [Roll Forward]
Restructuring charges	2.6	0.1	4.8	0.1
Operating Segments | Aviation | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			0.0
Restructuring charges			4.8
Payments for Restructuring			(0.7)
Ending balance	4.1		4.1
Operating Segments | Land
Restructuring Reserve [Roll Forward]
Restructuring charges	1.2	0.9	8.4	1.2
Operating Segments | Land | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			1.7
Restructuring charges			8.4
Payments for Restructuring			(5.2)
Ending balance	4.9		4.9
Operating Segments | Marine
Restructuring Reserve [Roll Forward]
Restructuring charges	0.3	$ 3.3	0.8	$ 3.3
Operating Segments | Marine | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			0.0
Restructuring charges			0.8
Payments for Restructuring			(0.2)
Ending balance	0.6		0.6
Corporate and other | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Beginning balance			0.3
Restructuring charges			7.0
Payments for Restructuring			(3.9)
Ending balance	$ 3.4		$ 3.4

X

- Definition

Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation.

+ References

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- Definition

Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

+ References

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Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
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-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.2)
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