Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

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No definition available.

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Amount, after cash payment, 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

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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Subsequent Events (Details) $ in Thousands	15 Months Ended
Subsequent Events (Details) $ in Thousands	Jun. 30, 2019 USD ($) $ / £	May 03, 2017 $ / £
Restructuring Cost and Reserve [Line Items]
Foreign currency exchange rate \| $ / £		1.29
Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Foreign currency exchange rate \| $ / £	1.40
Scenario, Forecast [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 55,000
Scenario, Forecast [Member] \| U.K. Operations Optimization [Member] \| Rationalization of locomotive and wagon fleet [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	29,000
Scenario, Forecast [Member] \| U.K. Operations Optimization [Member] \| Management restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	9,000
Scenario, Forecast [Member] \| U.K. Operations Optimization [Member] \| Productivity and automation investments [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Costs	$ 17,000