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

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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.

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Changes in Operations U.K./Europe Optimization Restructuring Costs (Details) $ in Thousands	3 Months Ended		6 Months Ended		15 Months Ended	21 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) $ / £
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred	$ 7,561	$ 9,362	$ 15,195	$ 9,645
U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred	6,783		12,279		$ 27,263
Rationalization of locomotive and railcar fleet [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred	0		0		6,301
Management restructuring [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred	5,058		9,141		13,781
Productivity and automation investments [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred	$ 1,725		$ 3,138		$ 7,181
Scenario, Forecast [Member]
Restructuring Cost and Reserve [Line Items]
Foreign Currency Exchange Rate, Translation \| $ / £						1.30
Scenario, Forecast [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred						$ 37,000
Scenario, Forecast [Member] \| Rationalization of locomotive and railcar fleet [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred						9,000
Scenario, Forecast [Member] \| Management restructuring [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred						16,000
Scenario, Forecast [Member] \| Productivity and automation investments [Member] \| U.K. Operations Optimization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related costs incurred						$ 12,000