SEGMENT REPORTING (Tables)

9 Months Ended

Sep. 30, 2018

Segment Reporting [Abstract]

Reconciliation of third party revenues to direct revenues

The following table reconciles third party revenues to direct revenues for the three and nine months ended September 30, 2018 and 2017 (in thousands):

	For the Three Months Ended September 30, 2018											For the Three Months Ended September 30, 2017
	Third party revenues		Intersegment revenues, net			Corporate Items, net			Direct revenues			Third party revenues		Intersegment revenues, net			Corporate Items, net			Direct revenues
Environmental Services	$	508,813	$	33,022		$	1,145		$	542,980		$	440,163	$	31,757		$	761		$	472,681
Safety-Kleen	333,901		(33,022		)	6			300,885			315,028		(31,757		)	3			283,274
Corporate Items	467		—			(1,151		)	(684		)	655		—			(764		)	(109		)
Total	$	843,181	$	—		$	—		$	843,181		$	755,846	$	—		$	—		$	755,846

	For the Nine Months Ended September 30, 2018											For the Nine Months Ended September 30, 2017
	Third party revenues		Intersegment revenues, net			Corporate Items, net			Direct revenues			Third party revenues		Intersegment revenues, net			Corporate Items, net			Direct revenues
Environmental Services	$	1,468,417	$	99,278		$	2,546		$	1,570,241		$	1,285,701	$	95,465		$	2,001		$	1,383,167
Safety-Kleen	972,534		(99,278		)	28			873,284			910,885		(95,465		)	4			815,424
Corporate Items	1,148		—			(2,574		)	(1,426		)	989		—			(2,005		)	(1,016		)
Total	$	2,442,099	$	—		$	—		$	2,442,099		$	2,197,575	$	—		$	—		$	2,197,575

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						For the Nine Months Ended
	September 30,						September 30,
	2018			2017			2018			2017
Adjusted EBITDA:
Environmental Services	$	102,419		$	86,505		$	273,035		$	241,527
Safety-Kleen	79,502			70,305			214,455			182,954
Corporate Items	(40,644		)	(33,811		)	(118,387		)	(100,656		)
Total	$	141,277		$	122,999		$	369,103		$	323,825
Reconciliation to Consolidated Statements of Operations:
Accretion of environmental liabilities	2,450			2,347			7,328			7,053
Depreciation and amortization	73,082			72,989			220,686			216,932
Income from operations	65,745			47,663			141,089			99,840
Other expense, net	996			432			449			2,814
Loss on early extinguishment of debt	2,469			1,846			2,469			7,891
Loss (gain) on sale of business	—			77			—			(31,645		)
Interest expense, net of interest income	19,916			20,675			60,955			65,743
Income before provision for income taxes	$	42,364		$	24,633		$	77,216		$	55,037

PP&E, intangible assets and total assets by segment

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

	September 30, 2018
	Environmental Services		Safety-Kleen		Corporate Items		Totals
Property, plant and equipment, net	$	997,708	$	558,550	$	58,171	$	1,614,429
Goodwill	204,760		309,342		—		514,102
Permits and other intangibles, net	96,175		355,180		—		451,355
Total assets	$	1,714,209	$	1,445,995	$	614,125	$	3,774,329

	December 31, 2017
	Environmental Services		Safety-Kleen		Corporate Items		Totals
Property, plant and equipment, net	$	927,139	$	582,162	$	78,064	$	1,587,365
Goodwill	172,386		306,137		—		478,523
Permits and other intangibles, net	97,519		371,609		—		469,128
Total assets	$	1,541,241	$	1,471,291	$	694,038	$	3,706,570

Total assets by geographical area

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

	September 30, 2018		December 31, 2017
United States	$	3,090,011	$	2,985,394
Canada	684,144		721,176
Other foreign	174		—
Total	$	3,774,329	$	3,706,570