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Restructuring - Summary of Impairment by Reportable Business Segment (Details) - USD ($)	3 Months Ended			9 Months Ended
	Sep. 30, 2020	Jun. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Restructuring Cost and Reserve [Line Items]
Asset impairments	$ 0	$ 18,600,000	$ 0	$ 18,600,000	$ 0
Operating Segments | Aviation
Restructuring Cost and Reserve [Line Items]
Asset impairments				6,900,000
Operating Segments | Land
Restructuring Cost and Reserve [Line Items]
Asset impairments				5,900,000
Operating Segments | Marine
Restructuring Cost and Reserve [Line Items]
Asset impairments				4,000,000.0
Corporate
Restructuring Cost and Reserve [Line Items]
Asset impairments				$ 1,800,000

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=109226348&loc=d3e2420-110228

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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