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Restructuring - Summary of Restructuring Activities (Details) $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Restructuring Reserve [Roll Forward]
Accrued balance as of December 31, 2019	$ 9.5
Severance costs	7.7
Payments	(10.3)
Accrued charges as of September 30, 2020	6.9
Operating Segments | Aviation
Restructuring Reserve [Roll Forward]
Accrued balance as of December 31, 2019	0.5
Severance costs	2.1
Payments	(1.4)
Accrued charges as of September 30, 2020	1.2
Operating Segments | Land
Restructuring Reserve [Roll Forward]
Accrued balance as of December 31, 2019	7.5
Severance costs	3.1
Payments	(6.2)
Accrued charges as of September 30, 2020	4.4
Operating Segments | Marine
Restructuring Reserve [Roll Forward]
Accrued balance as of December 31, 2019	1.3
Severance costs	1.3
Payments	(1.8)
Accrued charges as of September 30, 2020	0.9
Corporate
Restructuring Reserve [Roll Forward]
Accrued balance as of December 31, 2019	0.2
Severance costs	1.2
Payments	(1.0)
Accrued charges as of September 30, 2020	$ 0.4

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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+ 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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