Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2014

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, 2014 and 2013, is shown in the following tables: 

Three Months Ended June 30, 2014	Gross Revenues		Intercompany Revenues(b)		Net Revenues		EBITDA(c)
Western	$	230,904	$	(24,635)	$	206,269	$	63,262
Central		159,918		(18,002)		141,916		48,819
Eastern		120,550		(20,492)		100,058		30,768
E&P		79,756		(3,306)		76,450		40,716
Corporate(a)		-		-		-		(2,348)
	$	591,128	$	(66,435)	$	524,693	$	181,217

Three Months Ended June 30, 2013	Gross Revenues		Intercompany Revenues(b)		Net Revenues		EBITDA(c)
Western	$	229,510	$	(26,677)	$	202,833	$	62,386
Central		147,210		(16,776)		130,434		48,517
Eastern		115,542		(19,817)		95,725		29,029
E&P		63,858		(3,469)		60,389		28,324
Corporate(a)		-		-		-		(262)
	$	556,120	$	(66,739)	$	489,381	$	167,994

Six Months Ended June 30, 2014	Gross Revenues		Intercompany Revenues(b)		Net Revenues		EBITDA(c)
Western	$	448,506	$	(46,882)	$	401,624	$	125,754
Central		303,302		(32,320)		270,982		94,662
Eastern		229,917		(38,533)		191,384		57,904
E&P		150,062		(7,650)		142,412		72,196
Corporate(a)		-		-		-		(6,297)
	$	1,131,787	$	(125,385)	$	1,006,402	$	344,219

Six Months Ended June 30, 2013	Gross Revenues		Intercompany Revenues(b)		Net Revenues		EBITDA(c)
Western	$	445,856	$	(49,872)	$	395,984	$	120,962
Central		275,173		(30,146)		245,027		88,755
Eastern		220,971		(37,477)		183,494		54,909
E&P		120,879		(6,112)		114,767		50,912
Corporate(a)		-		-		-		(2,867)
	$	1,062,879	$	(123,607)	$	939,272	$	312,671

____________________

(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 four 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 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.

Changes in Goodwill by Reportable Segment

The following tables show changes in goodwill during the six months ended June 30, 2014 and 2013, by reportable segment: 

	Western		Central		Eastern		E&P		Total
Balance as of December 31, 2013	$	372,915	$	459,054	$	380,570	$	462,615	$	1,675,154
Goodwill acquired		-		1,559		-		-		1,559
Goodwill divested		-		(143)		-		-		(143)
Goodwill adjustments		-		(843)		(1)		-		(844)
Balance as of June 30, 2014	$	372,915	$	459,627	$	380,569	$	462,615	$	1,675,726

	Western		Central		Eastern		E&P		Total
Balance as of December 31, 2012	$	373,143	$	430,412	$	380,561	$	452,441	$	1,636,557
Goodwill transferred		-		(9,196)		-		9,196		-
Goodwill acquired		521		52		149		881		1,603
Balance as of June 30, 2013	$	373,664	$	421,268	$	380,710	$	462,518	$	1,638,160

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

A reconciliation of the Company’s primary measure of segment profitability (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,
	2014		2013		2014		2013
Western segment EBITDA	$	63,262	$	62,386	$	125,754	$	120,962
Central segment EBITDA		48,819		48,517		94,662		88,755
Eastern segment EBITDA		30,768		29,029		57,904		54,909
E&P segment EBITDA		40,716		28,324		72,196		50,912
Subtotal reportable segments		183,565		168,256		350,516		315,538
Unallocated corporate overhead		(2,348)		(262)		(6,297)		(2,867)
Depreciation		(57,105)		(54,766)		(112,922)		(106,414)
Amortization of intangibles		(6,720)		(6,211)		(13,456)		(12,650)
Gain (loss) on disposal of assets		1,324		(3,445)		1,465		(3,122)
Loss on prior corporate office lease		-		(10,498)		-		(10,498)
Interest expense		(15,940)		(18,928)		(32,851)		(37,940)
Other income (expense), net		661		(1,706)		137		(965)
Income before income tax provision	$	103,437	$	72,440	$	186,592	$	141,082

Total Reported Revenues by Service Line

The following table shows, for the periods indicated, the Company’s total reported revenues by service line and with intercompany eliminations: 

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Solid waste collection	$	322,763	$	306,472	$	628,766	$	599,616
Solid waste disposal and transfer		158,913		153,600		294,476		276,371
E&P waste treatment, recovery and disposal		82,646		66,183		155,964		126,115
Solid waste recycling		14,836		18,610		29,739		37,404
Intermodal and other		11,970		11,255		22,842		23,373
		591,128		556,120		1,131,787		1,062,879
Less: intercompany elimination		(66,435)		(66,739)		(125,385)		(123,607)
Total revenues	$	524,693	$	489,381	$	1,006,402	$	939,272