Revenue Recognition (Tables)

12 Months Ended

Dec. 31, 2019

Revenue from Contract with Customer [Abstract]

Summary of revenues by primary geographical markets

A summary of the Company's revenues by primary geographical markets as well as by key product and service groups is as follows:

	Twelve Months Ended
	December 31, 2019
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	294,367	$	169,522	$	221,724	$	—	$	685,613
Western Europe	386,593		—		44,569		—		431,162
Latin America (b)	146,040		—		2,588		—		148,628
Asia-Pacific	128,949		—		30,492		—		159,441
Middle East and Africa	60,402		—		—		—		60,402
Eastern Europe	18,496		—		—		—		18,496
Total Revenues (c)	$	1,034,847	$	169,522	$	299,373	$	—	$	1,503,742
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing; and related logistical services	$	881,696	$	—	$	—	$	—	$	881,696
Applied products	127,875		—		—		—		127,875
Environmental systems for aluminum dross and scrap processing	25,276		—		—		—		25,276
Railway track maintenance equipment	—		—		145,968		—		145,968
After-market parts and services; safety and diagnostic technology	—		—		132,249		—		132,249
Railway contracting services	—		—		21,156		—		21,156
Waste processing and reuse solutions	—		169,522		—		—		169,522
General Corporate	—		—		—		—		—
Total Revenues (c)	$	1,034,847	$	169,522	$	299,373	$	—	$	1,503,742

	Twelve Months Ended
	December 31, 2018
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	302,238	$	—	$	205,212	$	74	$	507,524
Western Europe	390,840		—		48,016		—		438,856
Latin America (b)	151,886		—		3,977		—		155,863
Asia-Pacific	145,761		—		22,089		—		167,850
Middle East and Africa	50,003		—		—		—		50,003
Eastern Europe	27,576		—		—		—		27,576
Total Revenues (c)	$	1,068,304	$	—	$	279,294	$	74	$	1,347,672
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing; and related logistical services	$	924,766	$	—	$	—	$	—	$	924,766
Applied products	128,488		—		—		—		128,488
Environmental systems for aluminum dross and scrap processing	15,050		—		—		—		15,050
Railway track maintenance equipment	—		—		112,547		—		112,547
After-market parts and services; safety and diagnostic technology	—		—		139,020		—		139,020
Railway contracting services	—		—		27,727		—		27,727
Waste processing and reuse solutions	—		—		—		—		—
General Corporate	—		—		—		74		74
Total Revenues (c)	$	1,068,304	$	—	$	279,294	$	74	$	1,347,672

	Twelve Months Ended
	December 31, 2017
(In thousands)	Harsco Environmental Segment		Harsco Clean Earth Segment		Harsco Rail Segment		Corporate		Consolidated Totals
Primary Geographical Markets (a):
North America	$	274,476	$	—	$	196,567	$	143	$	471,186
Western Europe	369,763		—		78,698		—		448,461
Latin America (b)	159,130		—		2,827		—		161,957
Asia-Pacific	138,311		—		17,907		—		156,218
Middle East and Africa	42,700		—		—		—		42,700
Eastern Europe	26,948		—		—		—		26,948
Total Revenues (c)	$	1,011,328	$	—	$	295,999	$	143	$	1,307,470
Key Product and Service Groups:
Environmental services related to resource recovery for metals manufacturing; and related logistical services	$	890,371	$	—	$	—	$	—	$	890,371
Applied products	120,957		—		—		—		120,957
Environmental systems for aluminum dross and scrap processing	—		—		—		—		—
Railway track maintenance equipment	—		—		146,267		—		146,267
After-market parts and services; safety and diagnostic technology	—		—		110,195		—		110,195
Railway contracting services	—		—		39,537		—		39,537
Waste processing and reuse solutions	—		—		—		—		—
General Corporate	—		—		—		143		143
Total Revenues (c)	$	1,011,328	$	—	$	295,999	$	143	$	1,307,470

(a) Revenues are attributed to individual countries based on the location of the facility generating the revenue.

(b) Includes Mexico.

(c)

The Company has adopted the new revenue recognition standard utilizing the modified retrospective transition method, including use of practical expedients. Comparative information has not been restated and continues to be reported under U.S. GAAP in effect for those periods. See Note 2, Recently Adopted and Recently Issued Accounting Standards for additional information.