SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2018

Reconciliation of Third Party Revenues to Direct Revenues

The following table reconciles third-party revenues to direct revenues for the years ended December 31, 2018, 2017 and 2016 (in thousands):



	For the Year Ended December 31, 2018
	Environmental Services		Safety-Kleen			Corporate Items			Totals
Third-party revenues	$	2,003,843	$	1,295,355		$	1,105		$	3,300,303
Intersegment revenues, net	134,104		(134,104		)	—			—
Corporate Items, net	3,247		31			(3,278		)	—
Direct revenues	$	2,141,194	$	1,161,282		$	(2,173	)	$	3,300,303



	For the Year Ended December 31, 2017
	Environmental Services		Safety-Kleen			Corporate Items			Totals
Third-party revenues	$	1,728,700	$	1,213,703		$	2,575		$	2,944,978
Intersegment revenues, net	125,822		(125,822		)	—			—
Corporate Items, net	2,952		5			(2,957		)	—
Direct revenues	$	1,857,474	$	1,087,886		$	(382	)	$	2,944,978



	For the Year Ended December 31, 2016
	Environmental Services		Safety-Kleen			Corporate Items			Totals
Third-party revenues	$	1,641,432	$	1,110,727		$	3,067		$	2,755,226
Intersegment revenues, net	115,013		(115,013		)	—			—
Corporate Items, net	2,388		369			(2,757		)	—
Direct revenues	$	1,758,833	$	996,083		$	310		$	2,755,226

Reconciliation to Consolidated Statements of Income to Adjusted EBITDA

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



	For the Year Ended December 31,
	2018			2017			2016
Adjusted EBITDA:
Environmental Services	$	380,856		$	321,310		$	319,075
Safety-Kleen	282,029			249,811			219,546
Corporate Items	(171,880		)	(145,464		)	(138,267		)
Total	491,005			425,657			400,354
Reconciliation to Consolidated Statements of Operations:
Accretion of environmental liabilities	9,806			9,460			10,177
Depreciation and amortization	298,625			288,422			287,002
Goodwill impairment charge	—			—			34,013
Income from operations	182,574			127,775			69,162
Other expense (income), net	4,510			6,119			(6,195		)
Loss on early extinguishment of debt	2,488			7,891			—
Gain on sale of businesses	—			(30,732		)	(16,884		)
Interest expense, net of interest income	81,094			85,808			83,525
Income from operations before provision (benefit) for income taxes	$	94,482		$	58,689		$	8,716

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]

For the years ended December 31, 2018, 2017, and 2016, the Company generated direct revenues in the following geographic locations (in thousands):



	For the Year Ended December 31,
	2018				2017				2016
	Revenue		% of Total		Revenue		% of Total		Revenue		% of Total
United States	$	2,721,814	82.5	%	$	2,392,000	81.2	%	$	2,213,355	80.3	%
Canada	578,489		17.5	%	552,978		18.8	%	541,871		19.7	%
Total Revenues	$	3,300,303	100.0	%	$	2,944,978	100.0	%	$	2,755,226	100.0	%

As of December 31, 2018 and 2017, the Company had property, plant and equipment, net of depreciation and amortization and permits and other intangible assets in the following geographic locations (in thousands):



	For the Year Ended December 31,
	2018				2017
	Total		% of Total		Total		% of Total
Property, plant and equipment, net
United States	$	1,233,949	79.0	%	$	1,175,437	74.0	%
Canada	328,029		21.0	%	411,928		26.0	%
Total property, plant and equipment, net	$	1,561,978	100.0	%	$	1,587,365	100.0	%

Permits and other intangibles, net
United States	$	393,045	88.9	%	$	408,654	87.1	%
Canada	48,830		11.1	%	60,474		12.9	%
Total permits and other intangibles, net	$	441,875	100.0	%	$	469,128	100.0	%

PP&E and Intangible Assets by Segment

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



	December 31, 2018		December 31, 2017
Property, plant and equipment, net
Environmental Services	$	951,867	$	927,139
Safety-Kleen	553,220		582,162
Corporate Items	56,891		78,064
Total property, plant and equipment, net	$	1,561,978	$	1,587,365

Goodwill and Permits and other intangibles, net
Environmental Services
Goodwill	$	207,019	$	172,386
Permits and other intangibles, net	93,313		97,519
Total Environmental Services	300,332		269,905

Safety-Kleen
Goodwill	$	307,170	$	306,137
Permits and other intangibles, net	348,562		371,609
Total Safety-Kleen	655,732		677,746

Total	$	956,064	$	947,651

Total Assets by Segment

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



	December 31, 2018		December 31, 2017
Environmental Services	$	1,640,706	$	1,541,241
Safety-Kleen	1,431,381		1,471,291
Corporate Items	666,234		694,038
Total	$	3,738,321	$	3,706,570

Total Assets by Geographical Area

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



	December 31, 2018		December 31, 2017
United States	$	3,090,311	$	2,985,394
Canada	648,010		721,176
Total	$	3,738,321	$	3,706,570