SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2016

The following table reconciles third-party revenues to direct revenues for the years ended December 31, 2016, 2015 and 2014 (in thousands):



	For the Year Ended December 31, 2016
	Technical Services		Industrial and Field Services			Safety-Kleen			Oil, Gas and Lodging Services		Corporate Items			Totals
Third-party revenues	$	906,495	$	618,245		$	1,110,727		$	116,692	$	3,067		$	2,755,226
Intersegment revenues, net	147,866		(35,724		)	(115,013		)	2,871		—			—
Corporate Items, net	2,374		(306		)	369			320		(2,757		)	—
Direct revenues	$	1,056,735	$	582,215		$	996,083		$	119,883	$	310		$	2,755,226



	For the Year Ended December 31, 2015
	Technical Services		Industrial and Field Services			Safety-Kleen			Oil, Gas and Lodging Services		Corporate Items			Totals
Third-party revenues	$	991,410	$	1,023,638		$	1,060,926		$	198,705	$	458		$	3,275,137
Intersegment revenues, net	144,084		(32,903		)	(119,232		)	8,051		—			—
Corporate Items, net	3,586		(782		)	(5		)	383		(3,182		)	—
Direct revenues	$	1,139,080	$	989,953		$	941,689		$	207,139	$	(2,724	)	$	3,275,137

(18) SEGMENT REPORTING (Continued)



	For the Year Ended December 31, 2014
	Technical Services		Industrial and Field Services			Safety-Kleen			Oil, Gas and Lodging Services		Corporate Items			Totals
Third-party revenues	$	1,043,267	$	795,249		$	1,200,907		$	361,937	$	276		$	3,401,636
Intersegment revenues, net	156,543		(46,424		)	(121,382		)	11,263		—			—
Corporate Items, net	5,573		271			(63		)	75		(5,856		)	—
Direct revenues	$	1,205,383	$	749,096		$	1,079,462		$	373,275	$	(5,580	)	$	3,401,636

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



	For the Year Ended December 31,
	2016			2015			2014
Adjusted EBITDA:
Technical Services	$	271,176		$	291,737		$	328,130
Industrial and Field Services	51,191			161,447			98,266
Safety-Kleen	219,546			172,262			165,547
Oil, Gas and Lodging Services	(3,292		)	11,704			90,877
Corporate Items	(138,267		)	(132,983		)	(160,901		)
Total	400,354			504,167			521,919
Reconciliation to Consolidated Statements of Operations:
Accretion of environmental liabilities	10,177			10,402			10,612
Depreciation and amortization	287,002			274,194			276,083
Goodwill impairment charges	34,013			31,992			123,414
Income from operations	69,162			187,579			111,810
Other (income) expense, net	(6,195		)	1,380			(4,380		)
Gain on sale of business	(16,884		)	—			—
Interest expense, net of interest income	83,525			76,553			77,668
Income from operations before provision for income taxes	$	8,716		$	109,646		$	38,522

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



	December 31, 2016		December 31, 2015
Property, plant and equipment, net
Technical Services	$	521,134	$	483,425
Industrial and Field Services	245,143		283,509
Safety-Kleen	584,647		458,394
Oil, Gas and Lodging Services	182,038		215,645
Corporate Items	78,865		91,494
Total property, plant and equipment, net	$	1,611,827	$	1,532,467

Goodwill and Permits and other intangibles, net
Technical Services
Goodwill	$	61,116	$	49,267
Permits and other intangibles, net	78,625		73,601
Total Technical Services	139,741		122,868

Industrial and Field Services
Goodwill	107,968		105,286
Permits and other intangibles, net	17,817		17,198
Total Industrial and Field Services	125,785		122,484

Safety-Kleen
Goodwill	296,070		266,344
Permits and other intangibles, net	391,390		396,661
Total Safety-Kleen	687,460		663,005

Oil, Gas and Lodging Services
Goodwill	—		32,208
Permits and other intangibles, net	10,889		19,358
Total Oil, Gas and Lodging Services	10,889		51,566

Total	$	963,875	$	959,923

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



	December 31, 2016		December 31, 2015		December 31, 2014
Technical Services	$	862,957	$	800,060	$	756,169
Industrial and Field Services	446,826		461,180		513,962
Safety-Kleen	1,474,755		1,297,971		1,269,993
Oil, Gas and Lodging Services	253,242		333,245		471,695
Corporate Items	644,140		538,972		677,604
Total	$	3,681,920	$	3,431,428	$	3,689,423

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