GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Tables)

12 Months Ended

Dec. 31, 2015

Guarantor and Non-Guarantor Subsidiaries Financial Information [Abstract]

Schedule of Condensed Consolidating Balance Sheet

Following is the condensed consolidating balance sheet at December 31, 2015 (in thousands):

	Clean Harbors, Inc.		U.S. Guarantor Subsidiaries		Foreign Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Assets:
Cash and cash equivalents	$	11,017	$	83,479	$	90,212	$	—		$	184,708
Intercompany receivables	164,709		213,243		39,804		(417,756		)	—
Accounts receivable, net	—		404,580		91,424		—			496,004
Other current assets	—		179,969		60,515		—			240,484
Property, plant and equipment, net	—		1,082,466		450,001		—			1,532,467
Investments in subsidiaries	2,547,307		522,067		—		(3,069,374		)	—
Intercompany debt receivable	—		260,957		3,701		(264,658		)	—
Goodwill	—		367,306		85,799		—			453,105
Permits and other intangibles, net	—		435,080		71,738		—			506,818
Other long-term assets	1,068		10,274		6,500		—			17,842
Total assets	$	2,724,101	$	3,559,421	$	899,694	$	(3,751,788	)	$	3,431,428
Liabilities and Stockholders' Equity:
Current liabilities	$	20,813	$	424,588	$	71,719	$	—		$	517,120
Intercompany payables	220,762		195,287		1,707		(417,756		)	—
Closure, post-closure and remedial liabilities, net	—		153,190		14,656		—			167,846
Long-term obligations	1,382,543		—		—		—			1,382,543
Capital lease obligations, net	—		—		—		—			—
Intercompany debt payable	3,701		—		260,957		(264,658		)	—
Other long-term liabilities	—		239,049		28,588		—			267,637
Total liabilities	1,627,819		1,012,114		377,627		(682,414		)	2,335,146
Stockholders' equity	1,096,282		2,547,307		522,067		(3,069,374		)	1,096,282
Total liabilities and stockholders' equity	$	2,724,101	$	3,559,421	$	899,694	$	(3,751,788	)	$	3,431,428

(18) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued)

Following is the condensed consolidating balance sheet at December 31, 2014 (in thousands):

	Clean Harbors, Inc.		U.S. Guarantor Subsidiaries		Foreign Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Assets:
Cash and cash equivalents	$	1,006	$	154,147	$	91,726	$	—		$	246,879
Intercompany receivables	133,219		156,920		39,724		(329,863		)	—
Accounts receivable, net	—		414,205		142,926		—			557,131
Other current assets	—		241,232		81,191		—			322,423
Property, plant and equipment, net	—		970,757		588,077		—			1,558,834
Investments in subsidiaries	2,694,727		663,191		—		(3,357,918		)	—
Intercompany debt receivable	—		327,634		3,701		(331,335		)	—
Goodwill	—		324,930		127,739		—			452,669
Permits and other intangibles, net	—		435,906		94,174		—			530,080
Other long-term assets	1,946		12,959		6,502		—			21,407
Total assets	$	2,830,898	$	3,701,881	$	1,175,760	$	(4,019,116	)	$	3,689,423
Liabilities and Stockholders' Equity:
Current liabilities	$	20,820	$	444,059	$	107,592	$	—		$	572,471
Intercompany payables	163,361		164,231		2,271		(329,863		)	—
Closure, post-closure and remedial liabilities, net	—		158,622		25,109		—			183,731
Long-term obligations	1,380,145		—		—		—			1,380,145
Capital lease obligations, net	—		—		—		—			—
Intercompany debt payable	3,701		—		327,634		(331,335		)	—
Other long-term liabilities	—		240,242		49,963		—			290,205
Total liabilities	1,568,027		1,007,154		512,569		(661,198		)	2,426,552
Stockholders' equity	1,262,871		2,694,727		663,191		(3,357,918		)	1,262,871
Total liabilities and stockholders' equity	$	2,830,898	$	3,701,881	$	1,175,760	$	(4,019,116	)	$	3,689,423

Schedule of Consolidating Statement of Income

Following is the consolidating statement of income (loss) for the year ended December 31, 2015 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues
Service revenues	$	—		$	2,111,086		$	692,216		$	(59,030	)	$	2,744,272
Product revenues	—			458,314			83,970			(11,419		)	530,865
Total revenues	—			2,569,400			776,186			(70,449		)	3,275,137
Cost of revenues (exclusive of items shown separately below)
Service cost of revenues	5			1,415,435			542,497			(59,030		)	1,898,907
Product cost of revenues	—			410,128			59,190			(11,419		)	457,899
Total cost of revenues	5			1,825,563			601,687			(70,449		)	2,356,806
Selling, general and administrative expenses	101			329,069			84,994			—			414,164
Accretion of environmental liabilities	—			9,209			1,193			—			10,402
Depreciation and amortization	—			184,017			90,177			—			274,194
Goodwill impairment charge	—			4,164			27,828			—			31,992
(Loss) income from operations	(106		)	217,378			(29,693		)	—			187,579
Other income (loss)	—			491			(1,871		)	—			(1,380		)
Interest (expense) income, net	(78,621		)	1,860			208			—			(76,553		)
Equity in earnings of subsidiaries, net of tax	91,339			(47,141		)	—			(44,198		)	—
Intercompany interest income (expense)	—			23,156			(23,156		)	—			—
Income before (benefit) provision for income taxes	12,612			195,744			(54,512		)	(44,198		)	109,646
(Benefit) provision for income taxes	(31,490		)	104,405			(7,371		)	—			65,544
Net income (loss)	44,102			91,339			(47,141		)	(44,198		)	44,102
Other comprehensive loss	(144,050		)	(144,050		)	(93,983		)	238,033			(144,050		)
Comprehensive loss	$	(99,948	)	$	(52,711	)	$	(141,124	)	$	193,835		$	(99,948	)

(18) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued)

Following is the consolidating statement of (loss) income for the year ended December 31, 2014 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues
Service revenues	—			1,786,695			876,085			(22,984		)	2,639,796
Product revenues	—			619,802			148,671			(6,633		)	761,840
Total revenues	—			2,406,497			1,024,756			(29,617		)	3,401,636
Cost of revenues (exclusive of items shown separately below)
Service cost of revenues	—			1,172,181			641,180			(22,984		)	1,790,377
Product cost of revenues	—			538,671			119,381			(6,633		)	651,419
Total cost of revenues	—			1,710,852			760,561			(29,617		)	2,441,796
Selling, general and administrative expenses	114			321,069			116,738			—			437,921
Accretion of environmental liabilities	—			9,240			1,372			—			10,612
Depreciation and amortization	—			173,447			102,636			—			276,083
Goodwill impairment charge	—			105,466			17,948			—			123,414
(Loss) income from operations	(114		)	86,423			25,501			—			111,810
Other income	—			3,369			1,011			—			4,380
Interest (expense) income, net	(78,570		)	800			102			—			(77,668		)
Equity in earnings of subsidiaries, net of tax	18,882			(9,031		)	—			(9,851		)	—
Intercompany dividend income	—			—			6,238			(6,238		)	—
Intercompany interest income (expense)	—			28,596			(28,596		)	—			—
Income before (benefit) provision for income taxes	(59,802		)	110,157			4,256			(16,089		)	38,522
(Benefit) provision for income taxes	(31,474		)	91,275			7,049			—			66,850
Net (loss) income	(28,328		)	18,882			(2,793		)	(16,089		)	(28,328		)
Other comprehensive loss	(91,286		)	(91,286		)	(37,157		)	128,443			(91,286		)
Comprehensive loss	$	(119,614	)	$	(72,404	)	$	(39,950	)	$	112,354		$	(119,614	)

(18) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued)

Following is the consolidating statement of income for the year ended December 31, 2013 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues
Service revenues	—			1,757,663			984,122			(12,580		)	2,729,205
Product revenues	—			611,548			172,500			(3,597		)	780,451
Total revenues	—			2,369,211			1,156,622			(16,177		)	3,509,656
Cost of revenues (exclusive of items shown separately below)
Service cost of revenues	—			1,190,419			696,609			(12,580		)	1,874,448
Product cost of revenues	—			524,318			147,464			(3,597		)	668,185
Total cost of revenues	—			1,714,737			844,073			(16,177		)	2,542,633
Selling, general and administrative expenses	109			353,215			117,153			—			470,477
Accretion of environmental liabilities	—			9,935			1,606			—			11,541
Depreciation and amortization	—			170,041			94,408			—			264,449
(Loss) income from operations	(109		)	121,283			99,382			—			220,556
Other income	—			1,655			50			—			1,705
Loss on early extinguishment of debt	—			—			—			—			—
Interest (expense) income, net	(79,017		)	236			405			—			(78,376		)
Equity in earnings of subsidiaries, net of tax	143,042			42,741			—			(185,783		)	—
Intercompany dividend income (expense)	—			—			13,292			(13,292		)	—
Intercompany interest income (expense)	—			41,695			(41,695		)	—			—
Income before (benefit) provision for income taxes	63,916			207,610			71,434			(199,075		)	143,885
(Benefit) provision for income taxes	(31,650		)	64,568			15,401			—			48,319
Net income	95,566			143,042			56,033			(199,075		)	95,566
Other comprehensive (loss) income	(69,188		)	(69,188		)	39,519			29,669			(69,188		)
Comprehensive income	$	26,378		$	73,854		$	95,552		$	(169,406	)	$	26,378

Schedule of Condensed Consolidating Statement of Cash Flows

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2015 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments		Total
Net cash from operating activities	$	9,543		$	314,585		$	72,255		—		$	396,383
Cash flows from investing activities:
Additions to property, plant and equipment	—			(220,789		)	(36,407		)	—		(257,196		)
Proceeds from sales of fixed assets	—			1,447			4,748			—		6,195
Acquisitions, net of cash acquired	—			(94,345		)	—			—		(94,345		)
Additions to intangible assets including costs to obtain or renew permits	—			—			(5,296		)	—		(5,296		)
Intercompany	—			(75,506		)	—			75,506		—
Intercompany debt	—			14,272			—			(14,272	)	—
Net cash used in investing activities	—			(374,921		)	(36,955		)	61,234		(350,642		)
Cash flows from (used in) financing activities:
Change in uncashed checks	—			(10,129		)	(4,501		)	—		(14,630		)
Proceeds from exercise of stock options	397			—			—			—		397
Remittance of shares, net	(2,159		)	—			—			—		(2,159		)
Excess tax benefit of stock-based compensation	71			—			—			—		71
Repurchases of common stock	(73,347		)	—			—			—		(73,347		)
Payments on capital leases	—			(203		)	(308		)	—		(511		)
Intercompany	75,506			—			—			(75,506	)	—
Intercompany debt	—			—			(14,272		)	14,272		—
Net cash from (used in) financing activities	468			(10,332		)	(19,081		)	(61,234	)	(90,179		)
Effect of exchange rate change on cash	—			—			(17,733		)	—		(17,733		)
Increase (decrease) in cash and cash equivalents	10,011			(70,668		)	(1,514		)	—		(62,171		)
Cash and cash equivalents, beginning of year	1,006			154,147			91,726			—		246,879
Cash and cash equivalents, end of year	$	11,017		$	83,479		$	90,212		—		$	184,708

(18) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued)

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2014 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net cash from operating activities	$	(5,242	)	$	70,761		$	250,433		(18,586		)	$	297,366
Cash flows from investing activities:
Additions to property, plant and equipment	—			(172,525		)	(85,088		)	—			(257,613		)
Proceeds from sales of fixed assets	—			3,956			4,208			—			8,164
Acquisitions, net of cash acquired	—			(6,550		)	(9,637		)	—			(16,187		)
Additions to intangible assets, including costs to obtain or renew permits	—			(623		)	(5,896		)	—			(6,519		)
Intercompany	—			(112,134		)	—			112,134			—
Intercompany debt	—			143,467			—			(143,467		)	—
Proceeds from sale of long-term investments	—			—			13,861			—			13,861
Net cash used in investing activities	—			(144,409		)	(82,552		)	(31,333		)	(258,294		)
Cash flows from (used in) financing activities:
Change in uncashed checks	—			11,046			4,023			—			15,069
Remittance of shares, net	(2,793		)	—			—			—			(2,793		)
Repurchases of common stock	(104,341		)	—			—			—			(104,341		)
Proceeds from employee stock purchase plan	4,364			—			—			—			4,364
Payments on capital leases	—			(170		)	(1,952		)	—			(2,122		)
Repayments of long-term obligations	(5,000		)	—			—			—			(5,000		)
Excess tax benefit of stock-based compensation	878			—			—			—			878
Dividends paid	—			(18,586		)	—			18,586			—
Intercompany	112,134			—			—			(112,134		)	—
Intercompany debt	—			—			(143,467		)	143,467			—
Net cash from (used in) financing activities	5,242			(7,710		)	(141,396		)	49,919			(93,945		)
Effect of exchange rate change on cash	—			—			(8,321		)	—			(8,321		)
(Decrease) increase in cash and cash equivalents	—			(81,358		)	18,164			—			(63,194		)
Cash and cash equivalents, beginning of year	1,006			235,505			73,562			—			310,073
Cash and cash equivalents, end of year	$	1,006		$	154,147		$	91,726		$	—		$	246,879

(18) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued)

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2013 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net cash from operating activities	$	(33,932	)	$	277,445		$	185,686		(13,360		)	$	415,839
Cash flows from investing activities:
Additions to property, plant and equipment	—			(145,075		)	(135,132		)	—			(280,207		)
Proceeds from sales of fixed assets and assets held for sale	—			1,078			3,621			—			4,699
Acquisitions, net of cash acquired	(6,025		)	(57,239		)	—			—			(63,264		)
Additions to intangible assets including costs to obtain or renew permits	—			(5,247		)	(1,493		)	—			(6,740		)
Intercompany debt	—			27,525			—			(27,525		)	—
Net cash used in investing activities	(6,025		)	(178,958		)	(133,004		)	(27,525		)	(345,512		)
Cash flows from (used in) financing activities:
Change in uncashed checks	—			9,922			2,346			—			12,268
Proceeds from employee stock purchase plan	7,425			—			—			—			7,425
Proceeds from exercise of stock options	400			—			—			—			400
Remittance of shares, net	(731		)	—			—			—			(731		)
Excess tax benefit of stock-based compensation	1,409			—			—			—			1,409
Deferred financing costs paid	(2,504		)	—			—			—			(2,504		)
Payments of capital leases	—			(227		)	(4,664		)	—			(4,891		)
Issuance costs related to issuance of common stock	(250		)	—			—			—			(250		)
Dividends paid	—			(13,360		)	—			13,360			—
Intercompany debt	—			—			(27,525		)	27,525			—
Net cash from (used in) financing activities	5,749			(3,665		)	(29,843		)	40,885			13,126
Effect of exchange rate change on cash	—			—			(3,216		)	—			(3,216		)
(Decrease) increase in cash and cash equivalents	(34,208		)	94,822			19,623			—			80,237
Cash and cash equivalents, beginning of year	35,214			140,683			53,939			—			229,836
Cash and cash equivalents, end of year	$	1,006		$	235,505		$	73,562		$	—		$	310,073