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Restructuring - Summary of Restructuring Activities (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	$ 9.5
Severance costs	4.8
Payments	(6.5)
Restructuring charges as of June 30, 2020	7.9
Operating Segments | Aviation
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	0.5
Severance costs	0.7
Payments	(0.5)
Restructuring charges as of June 30, 2020	0.7
Operating Segments | Land
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	7.5
Severance costs	2.7
Payments	(4.5)
Restructuring charges as of June 30, 2020	5.7
Operating Segments | Marine
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	1.3
Severance costs	0.4
Payments	(1.0)
Restructuring charges as of June 30, 2020	0.7
Corporate
Restructuring Reserve [Roll Forward]
Balance as of December 31, 2019	0.2
Severance costs	1.0
Payments	(0.5)
Restructuring charges as of June 30, 2020	$ 0.8

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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-Publisher FASB
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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

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