Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Summary of Financial Information Concerning Company's Reportable Segments

Summarized financial information concerning the Company’s reportable segments for the three and six months ended June 30, 2018 and 2017, is shown in the following tables:  

Three Months Ended June 30, 2018	Revenue		Intercompany Revenue(b)		Reported Revenue		Segment EBITDA(c)
Southern	$	321,051	$	(37,941)	$	283,110	$	68,787
Western		295,730		(32,031)		263,699		81,175
Eastern		324,888		(53,945)		270,943		74,795
Canada		211,787		(24,949)		186,838		67,305
Central		202,725		(27,705)		175,020		63,132
E&P		61,765		(1,407)		60,358		31,231
Corporate(a)		-		-		-		260
	$	1,417,946	$	(177,978)	$	1,239,968	$	386,685

Three Months Ended June 30, 2017	Revenue		Intercompany Revenue(b)		Reported Revenue		Segment EBITDA(c)
Southern	$	323,108	$	(37,725)	$	285,383	$	67,168
Western		288,953		(31,461)		257,492		87,045
Eastern		289,082		(46,015)		243,067		70,668
Canada		209,874		(26,334)		183,540		67,792
Central		182,781		(23,363)		159,418		60,716
E&P		48,677		(2,008)		46,669		21,092
Corporate(a)		-		-		-		(11,162)
	$	1,342,475	$	(166,906)	$	1,175,569	$	363,319

Six Months Ended June 30, 2018	Revenue		Intercompany Revenue(b)		Reported Revenue		Segment EBITDA(c)
Southern	$	630,007	$	(73,558)	$	556,449	$	137,694
Western		570,850		(61,988)		508,862		153,832
Eastern		612,727		(99,905)		512,822		142,229
Canada		403,475		(46,662)		356,813		126,571
Central		377,925		(49,116)		328,809		121,553
E&P		119,385		(3,041)		116,344		59,910
Corporate(a)		-		-		-		(6,083)
	$	2,714,369	$	(334,270)	$	2,380,099	$	735,706

Six Months Ended June 30, 2017	Revenue		Intercompany Revenue(b)		Reported Revenue		Segment EBITDA(c)
Southern	$	640,447	$	(74,942)	$	565,505	$	136,108
Western		552,954		(59,872)		493,082		162,613
Eastern		559,756		(87,720)		472,036		135,297
Canada		397,829		(48,735)		349,094		125,914
Central		346,593		(42,866)		303,727		113,368
E&P		87,742		(4,351)		83,391		35,637
Corporate(a)		-		-		-		(26,783)
	$	2,585,321	$	(318,486)	$	2,266,835	$	682,154

____________________

(a)Corporate functions include accounting, legal, tax, treasury, information technology, risk management, human resources, training and other administrative functions.  Amounts reflected are net of allocations to the six operating segments. 

(b)Intercompany revenues reflect each segment’s total intercompany sales, including intercompany sales within a segment and between segments.  Transactions within and between segments are generally made on a basis intended to reflect the market value of the service. 

(c)For those items included in the determination of segment EBITDA, the accounting policies of the segments are the same as those described in the Company’s most recent Annual Report on Form 10-K.

Total Assets for Reportable Segments

Total assets for each of the Company’s reportable segments at June 30, 2018 and December 31, 2017, were as follows:

	June 30, 2018		December 31, 2017
Southern	$	2,777,535	$	2,718,296
Western		1,563,670		1,573,955
Eastern		2,339,444		2,024,527
Canada		2,526,702		2,677,557
Central		1,437,434		1,297,118
E&P		971,047		981,980
Corporate		408,712		741,248
Total Assets	$	12,024,544	$	12,014,681

Changes in Goodwill by Reportable Segment

The following tables show changes in goodwill during the six months ended June 30, 2018 and 2017, by reportable segment: 

	Southern		Western		Eastern		Canada		Central		E&P			Total
Balance as of December 31, 2017	$	1,436,320	$	397,508	$	804,133	$	1,575,538	$	468,275	$	-	$	4,681,774
Goodwill acquired		4,909		666		120,979		-		39,155		-		165,709
Impact of changes in foreign currency		-		-		-		(74,517)		-		-		(74,517)
Balance as of June 30, 2018	$	1,441,229	$	398,174	$	925,112	$	1,501,021	$	507,430	$	-	$	4,772,966

	Southern		Western		Eastern		Canada		Central		E&P			Total
Balance as of December 31, 2016	$	1,470,023	$	376,537	$	533,160	$	1,465,274	$	467,924	$	77,343	$	4,390,261
Goodwill acquired		10,335		-		249,724		7,128		711		-		267,898
Impairment loss		-		-		-		-		-		(77,343)		(77,343)
Goodwill adjustment for assets sold		2,205		-		321		-		-		-		2,526
Impairment loss related to assets held for sale		(27,311)		-		-		-		-		-		(27,311)
Goodwill reclassified as assets held for sale		(17,215)		-		-		-		-		-		(17,215)
Impact of changes in foreign currency		-		-		-		50,757		-		-		50,757
Balance as of June 30, 2017	$	1,438,037	$	376,537	$	783,205	$	1,523,159	$	468,635	$	-	$	4,589,573

Reconciliation of Primary Measure of Segment Profitability to Income Before Income Tax Provision

A reconciliation of the Company’s primary measure of segment profitability (segment EBITDA) to Income before income tax provision in the Condensed Consolidated Statements of Net Income is as follows: 

	Three months ended June 30,				Six months ended June 30,
	2018		2017		2018		2017
Southern segment EBITDA	$	68,787	$	67,168	$	137,694	$	136,108
Western segment EBITDA		81,175		87,045		153,832		162,613
Eastern segment EBITDA		74,795		70,668		142,229		135,297
Canada segment EBITDA		67,305		67,792		126,571		125,914
Central segment EBITDA		63,132		60,716		121,553		113,368
E&P segment EBITDA		31,231		21,092		59,910		35,637
Subtotal reportable segments		386,425		374,481		741,789		708,937
Unallocated corporate overhead		260		(11,162)		(6,083)		(26,783)
Depreciation		(142,450)		(132,827)		(275,634)		(258,067)
Amortization of intangibles		(26,474)		(24,762)		(52,573)		(50,272)
Impairments and other operating items		(7,073)		1,180		(8,104)		(140,501)
Interest expense		(32,426)		(31,160)		(64,796)		(60,291)
Interest income		1,056		1,026		2,210		1,474
Other income, net		2,031		834		1,644		1,852
Foreign currency transaction gain (loss)		30		(1,048)		(190)		(1,638)
Income before income tax provision	$	181,379	$	176,562	$	338,263	$	174,711