SEGMENT REPORTING (Tables)

3 Months Ended

Mar. 31, 2019

Segment Reporting [Abstract]

Reconciliation of third party revenues to direct revenues

The following table reconciles third-party revenues to direct revenues for the three months ended March 31, 2019 and March 31, 2018 (in thousands):

	For the Three Months Ended March 31, 2019											For the Three Months Ended March 31, 2018
	Third-party revenues		Intersegment revenues, net			Corporate Items, net			Direct revenues			Third-party revenues		Intersegment revenues, net			Corporate Items, net			Direct revenues
Environmental Services	$	473,698	$	34,075		$	1,249		$	509,022		$	439,688	$	31,965		$	794		$	472,447
Safety-Kleen	306,547		(34,075		)	5			272,477			309,918		(31,965		)	11			277,964
Corporate Items	594		—			(1,254		)	(660		)	172		—			(805		)	(633		)
Total	$	780,839	$	—		$	—		$	780,839		$	749,778	$	—		$	—		$	749,778

Reconciliation to consolidated statements of income from adjusted EBITDA

The following table presents Adjusted EBITDA information used by management by reported segment (in thousands):

	For the Three Months Ended
	March 31,
	2019			2018
Adjusted EBITDA:
Environmental Services	$	89,510		$	61,417
Safety-Kleen	54,793			61,884
Corporate Items	(42,640		)	(35,036		)
Total	101,663			88,265
Reconciliation to Consolidated Statements of Operations:
Accretion of environmental liabilities	2,574			2,430
Depreciation and amortization	75,355			74,844
Income from operations	23,734			10,991
Other (income) expense, net	(2,983		)	299
Interest expense, net of interest income	19,764			20,270
Income (loss) before provision for income taxes	$	6,953		$	(9,578	)

PP&E, intangible assets and total assets by segment

The following table presents certain assets by reportable segment and in the aggregate (in thousands):

	March 31, 2019		December 31, 2018
Property, plant and equipment, net
Environmental Services	$	953,960	$	951,867
Safety-Kleen	561,041		553,220
Corporate Items	73,612		56,891
Total property, plant and equipment, net	$	1,588,613	$	1,561,978
Goodwill and Permits and other intangibles, net
Environmental Services
Goodwill	$	204,860	$	207,019
Permits and other intangibles, net	95,040		93,313
Total Environmental Services	299,900		300,332
Safety-Kleen
Goodwill	$	313,050	$	307,170
Permits and other intangibles, net	343,918		348,562
Total Safety-Kleen	656,968		655,732
Total	$	956,868	$	956,064

Schedule of assets by reported segment

The following table presents the total assets by reportable segment (in thousands):

	March 31, 2019		December 31, 2018
Environmental Services	$	1,724,208	$	1,640,706
Safety-Kleen	1,518,723		1,431,381
Corporate Items	639,123		666,234
Total	$	3,882,054	$	3,738,321

Total assets by geographical area

The following table presents the total assets by geographical area (in thousands):

	March 31, 2019		December 31, 2018
United States	$	3,212,979	$	3,090,311
Canada	669,075		648,010
Total	$	3,882,054	$	3,738,321