Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Foreign Currency Disclosure [Text Block]

The following tables reflect the balance sheet exchange rates as of June 30, 2018 and December 31, 2017 and the average exchange rates for the three and six months ended June 30, 2018 and 2017 used to translate the foreign entities respective local currency balance sheet and results of operations into United States dollars for the respective period:



					June 30, 2018		December 31, 2017
United States dollar per Australian dollar					$	0.74	$	0.78
United States dollar per British pound					$	1.32	$	1.35
United States dollar per Canadian dollar					$	0.76	$	0.80
United States dollar per Euro					$	1.17	$	1.20

	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
United States dollar per Australian dollar	$	0.76	$	0.75	$	0.77	$	0.75
United States dollar per British pound	$	1.36	$	1.28	$	1.38	$	1.26
United States dollar per Canadian dollar	$	0.77	$	0.74	$	0.78	$	0.75
United States dollar per Euro	$	1.19	$	1.10	$	1.21	$	1.08

Schedule of segment reporting information, by segment [Table Text Block]

The following tables set forth select financial data for the Company's reportable segments, including operating revenues by commodity group, for the three and six months ended June 30, 2018 and 2017 (dollars in thousands) (prior period revenue amounts have not been adjusted under the modified retrospective method):



	Three Months Ended June 30, 2018
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	29,693	$	6,006	$	785		$	36,484
Autos & Auto Parts	5,806		—		—			5,806
Chemicals & Plastics	38,972		—		—			38,972
Coal & Coke	19,087		32,570		2,687			54,344
Food & Kindred Products	8,476		—		—			8,476
Intermodal	380		17,102		66,483			83,965
Lumber & Forest Products	23,810		—		—			23,810
Metallic Ores	3,670		8,125		—			11,795
Metals	32,493		—		—			32,493
Minerals & Stone	38,034		2,087		22,326			62,447
Petroleum Products	16,151		185		8			16,344
Pulp & Paper	29,514		—		—			29,514
Waste	7,339		—		—			7,339
Other	6,443		—		—			6,443
Total freight revenues	259,868		66,075		92,289			418,232
Freight-related revenues	63,467		11,515		67,420			142,402
All other revenues	16,222		1,439		16,695			34,356
Total operating revenues	$	339,557	$	79,029	$	176,404		$	594,990
Operating income/(loss)	$	80,274	$	25,896	$	(3,045	)	$	103,125
Depreciation and amortization	$	41,247	$	15,288	$	9,210		$	65,745
Interest expense, net	$	11,778	$	12,893	$	3,685		$	28,356
Provision for income taxes	$	20,091	$	3,901	$	2,454		$	26,446
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	48,924	$	14,489	$	4,726		$	68,139



	Three Months Ended June 30, 2017
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	31,279	$	5,932	$	829		$	38,040
Autos & Auto Parts	5,730		—		—			5,730
Chemicals & Plastics	37,400		—		—			37,400
Coal & Coke	15,382		27,758		1,719			44,859
Food & Kindred Products	8,325		—		—			8,325
Intermodal	238		17,234		60,793			78,265
Lumber & Forest Products	22,323		—		—			22,323
Metallic Ores	2,920		10,659		—			13,579
Metals	26,079		—		—			26,079
Minerals & Stone	34,562		2,016		17,688			54,266
Petroleum Products	15,844		154		—			15,998
Pulp & Paper	26,077		—		—			26,077
Waste	7,144		—		—			7,144
Other	5,070		—		—			5,070
Total freight revenues	238,373		63,753		81,029			383,155
Freight-related revenues	61,183		11,500		54,938			127,621
All other revenues	16,118		1,556		11,983			29,657
Total operating revenues	$	315,674	$	76,809	$	147,950		$	540,433
Operating income/(loss)	$	79,679	$	20,250	$	(196	)	$	99,733
Depreciation and amortization	$	38,919	$	14,970	$	7,624		$	61,513
Interest expense, net	$	9,560	$	13,835	$	1,809		$	25,204
Provision for/(benefit from) income taxes	$	27,789	$	1,931	$	(123	)	$	29,597
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	40,012	$	3,714	$	6,175		$	49,901



	Six Months Ended June 30, 2018
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	61,065	$	11,489	$	2,020		$	74,574
Autos & Auto Parts	11,173		—		—			11,173
Chemicals & Plastics	75,189		—		—			75,189
Coal & Coke	39,032		64,149		6,163			109,344
Food & Kindred Products	16,826		—		—			16,826
Intermodal	689		33,075		133,804			167,568
Lumber & Forest Products	46,249		—		—			46,249
Metallic Ores	7,243		15,856		—			23,099
Metals	60,887		—		—			60,887
Minerals & Stone	68,552		4,181		41,505			114,238
Petroleum Products	34,634		336		8			34,978
Pulp & Paper	58,385		—		—			58,385
Waste	13,227		—		—			13,227
Other	12,134		—		—			12,134
Freight revenues	505,285		129,086		183,500			817,871
Freight-related revenues	127,299		22,078		134,222			283,599
All other revenues	32,603		2,699		32,879			68,181
Total operating revenues	$	665,187	$	153,863	$	350,601		$	1,169,651
Operating income/(loss)	$	153,434	$	41,872	$	(5,268	)	$	190,038
Depreciation and amortization	$	81,878	$	31,295	$	18,562		$	131,735
Interest expense, net	$	20,233	$	26,134	$	6,727		$	53,094
Provision for income taxes	$	606	$	4,722	$	5,228		$	10,556
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	87,487	$	19,751	$	13,189		$	120,427



	Six Months Ended June 30, 2017
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	64,257	$	11,678	$	2,568		$	78,503
Autos & Auto Parts	10,940		—		—			10,940
Chemicals & Plastics	74,915		—		—			74,915
Coal & Coke	37,115		57,279		5,119			99,513
Food & Kindred Products	16,599		—		—			16,599
Intermodal	415		33,101		122,789			156,305
Lumber & Forest Products	42,699		—		—			42,699
Metallic Ores	6,816		18,290		—			25,106
Metals	52,673		—		—			52,673
Minerals & Stone	62,677		3,995		29,143			95,815
Petroleum Products	34,271		284		—			34,555
Pulp & Paper	51,555		—		—			51,555
Waste	12,338		—		—			12,338
Other	9,384		—		—			9,384
Freight revenues	$	476,654	$	124,627	$	159,619		$	760,900
Freight-related revenues	126,528		23,209		97,221			246,958
All other revenues	31,968		2,880		16,835			51,683
Total operating revenues	$	635,150	$	150,716	$	273,675		$	1,059,541
Operating income/(loss)	$	147,342	$	37,409	$	(9,118	)	$	175,633
Depreciation and amortization	$	77,786	$	30,162	$	14,339		$	122,287
Interest expense, net	$	20,111	$	27,822	$	3,409		$	51,342
Provision for/(benefit from) income taxes	$	49,863	$	2,792	$	(1,130	)	$	51,525
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	64,227	$	5,176	$	10,465		$	79,868

Disaggregation of Revenue [Table Text Block]



	Three Months Ended June 30, 2018
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	29,693	$	6,006	$	785		$	36,484
Autos & Auto Parts	5,806		—		—			5,806
Chemicals & Plastics	38,972		—		—			38,972
Coal & Coke	19,087		32,570		2,687			54,344
Food & Kindred Products	8,476		—		—			8,476
Intermodal	380		17,102		66,483			83,965
Lumber & Forest Products	23,810		—		—			23,810
Metallic Ores	3,670		8,125		—			11,795
Metals	32,493		—		—			32,493
Minerals & Stone	38,034		2,087		22,326			62,447
Petroleum Products	16,151		185		8			16,344
Pulp & Paper	29,514		—		—			29,514
Waste	7,339		—		—			7,339
Other	6,443		—		—			6,443
Total freight revenues	259,868		66,075		92,289			418,232
Freight-related revenues	63,467		11,515		67,420			142,402
All other revenues	16,222		1,439		16,695			34,356
Total operating revenues	$	339,557	$	79,029	$	176,404		$	594,990
Operating income/(loss)	$	80,274	$	25,896	$	(3,045	)	$	103,125
Depreciation and amortization	$	41,247	$	15,288	$	9,210		$	65,745
Interest expense, net	$	11,778	$	12,893	$	3,685		$	28,356
Provision for income taxes	$	20,091	$	3,901	$	2,454		$	26,446
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	48,924	$	14,489	$	4,726		$	68,139



	Three Months Ended June 30, 2017
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	31,279	$	5,932	$	829		$	38,040
Autos & Auto Parts	5,730		—		—			5,730
Chemicals & Plastics	37,400		—		—			37,400
Coal & Coke	15,382		27,758		1,719			44,859
Food & Kindred Products	8,325		—		—			8,325
Intermodal	238		17,234		60,793			78,265
Lumber & Forest Products	22,323		—		—			22,323
Metallic Ores	2,920		10,659		—			13,579
Metals	26,079		—		—			26,079
Minerals & Stone	34,562		2,016		17,688			54,266
Petroleum Products	15,844		154		—			15,998
Pulp & Paper	26,077		—		—			26,077
Waste	7,144		—		—			7,144
Other	5,070		—		—			5,070
Total freight revenues	238,373		63,753		81,029			383,155
Freight-related revenues	61,183		11,500		54,938			127,621
All other revenues	16,118		1,556		11,983			29,657
Total operating revenues	$	315,674	$	76,809	$	147,950		$	540,433
Operating income/(loss)	$	79,679	$	20,250	$	(196	)	$	99,733
Depreciation and amortization	$	38,919	$	14,970	$	7,624		$	61,513
Interest expense, net	$	9,560	$	13,835	$	1,809		$	25,204
Provision for/(benefit from) income taxes	$	27,789	$	1,931	$	(123	)	$	29,597
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	40,012	$	3,714	$	6,175		$	49,901



	Six Months Ended June 30, 2018
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	61,065	$	11,489	$	2,020		$	74,574
Autos & Auto Parts	11,173		—		—			11,173
Chemicals & Plastics	75,189		—		—			75,189
Coal & Coke	39,032		64,149		6,163			109,344
Food & Kindred Products	16,826		—		—			16,826
Intermodal	689		33,075		133,804			167,568
Lumber & Forest Products	46,249		—		—			46,249
Metallic Ores	7,243		15,856		—			23,099
Metals	60,887		—		—			60,887
Minerals & Stone	68,552		4,181		41,505			114,238
Petroleum Products	34,634		336		8			34,978
Pulp & Paper	58,385		—		—			58,385
Waste	13,227		—		—			13,227
Other	12,134		—		—			12,134
Freight revenues	505,285		129,086		183,500			817,871
Freight-related revenues	127,299		22,078		134,222			283,599
All other revenues	32,603		2,699		32,879			68,181
Total operating revenues	$	665,187	$	153,863	$	350,601		$	1,169,651
Operating income/(loss)	$	153,434	$	41,872	$	(5,268	)	$	190,038
Depreciation and amortization	$	81,878	$	31,295	$	18,562		$	131,735
Interest expense, net	$	20,233	$	26,134	$	6,727		$	53,094
Provision for income taxes	$	606	$	4,722	$	5,228		$	10,556
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	87,487	$	19,751	$	13,189		$	120,427



	Six Months Ended June 30, 2017
	North American Operations		Australian Operations		U.K./European Operations			Total Operations
Operating revenues:
Freight revenues by commodity group:
Agricultural Products	$	64,257	$	11,678	$	2,568		$	78,503
Autos & Auto Parts	10,940		—		—			10,940
Chemicals & Plastics	74,915		—		—			74,915
Coal & Coke	37,115		57,279		5,119			99,513
Food & Kindred Products	16,599		—		—			16,599
Intermodal	415		33,101		122,789			156,305
Lumber & Forest Products	42,699		—		—			42,699
Metallic Ores	6,816		18,290		—			25,106
Metals	52,673		—		—			52,673
Minerals & Stone	62,677		3,995		29,143			95,815
Petroleum Products	34,271		284		—			34,555
Pulp & Paper	51,555		—		—			51,555
Waste	12,338		—		—			12,338
Other	9,384		—		—			9,384
Freight revenues	$	476,654	$	124,627	$	159,619		$	760,900
Freight-related revenues	126,528		23,209		97,221			246,958
All other revenues	31,968		2,880		16,835			51,683
Total operating revenues	$	635,150	$	150,716	$	273,675		$	1,059,541
Operating income/(loss)	$	147,342	$	37,409	$	(9,118	)	$	175,633
Depreciation and amortization	$	77,786	$	30,162	$	14,339		$	122,287
Interest expense, net	$	20,111	$	27,822	$	3,409		$	51,342
Provision for/(benefit from) income taxes	$	49,863	$	2,792	$	(1,130	)	$	51,525
Cash expenditures for additions to property & equipment, net of grants from outside parties	$	64,227	$	5,176	$	10,465		$	79,868

Certain asset information by segment [Table Text Block]

The following tables set forth select balance sheet data for the Company's reportable segments as of June 30, 2018 and December 31, 2017 (dollars in thousands):



	June 30, 2018
	North American Operations		Australian Operations		U.K./European Operations		Total Operations
Cash and cash equivalents	$	14,458	$	37,606	$	17,638	$	69,702
Property and equipment, net	$	3,657,483	$	631,919	$	324,447	$	4,613,849



	December 31, 2017
	North American Operations		Australian Operations		U.K./European Operations		Total Operations
Cash and cash equivalents	$	13,584	$	52,407	$	14,481	$	80,472
Property and equipment, net	$	3,657,801	$	664,367	$	334,753	$	4,656,921