GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Tables)

12 Months Ended

Dec. 31, 2018

Guarantor and Non-Guarantor Subsidiaries Financial Information [Abstract]

Schedule of Condensed Consolidating Balance Sheet

Following is the condensed consolidating balance sheet at December 31, 2018 (in thousands):

	Clean Harbors, Inc.		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Assets:
Cash and cash equivalents	$	27,308	$	101,302	$	97,897	$	—		$	226,507
Short-term marketable securities	67		—		52,789		—			52,856
Intercompany receivables	262,475		721,521		60,693		(1,044,689		)	—
Accounts receivable, net	—		520,785		86,167		—			606,952
Other current assets	—		289,869		49,631		(23,657		)	315,843
Property, plant and equipment, net	—		1,233,578		328,400		—			1,561,978
Investments in subsidiaries	3,162,704		571,304		—		(3,734,008		)	—
Intercompany debt receivable	—		14,669		21,000		(35,669		)	—
Goodwill	—		456,307		57,882		—			514,189
Permits and other intangibles, net	—		393,045		48,830		—			441,875
Other long-term assets	1,551		13,545		3,025		—			18,121
Total assets	$	3,454,105	$	4,315,925	$	806,314	$	(4,838,023	)	$	3,738,321
Liabilities and Stockholders' Equity:
Current liabilities	$	20,170	$	457,164	$	148,601	$	(23,657	)	$	602,278
Intercompany payables	699,158		321,846		23,685		(1,044,689		)	—
Closure, post-closure and remedial liabilities, net	—		151,480		16,434		—			167,914
Long-term obligations	1,565,021		—		—		—			1,565,021
Intercompany debt payable	—		21,000		14,669		(35,669		)	—
Other long-term liabilities	—		212,924		20,428		—			233,352
Total liabilities	2,284,349		1,164,414		223,817		(1,104,015		)	2,568,565
Stockholders' equity	1,169,756		3,151,511		582,497		(3,734,008		)	1,169,756
Total liabilities and stockholders' equity	$	3,454,105	$	4,315,925	$	806,314	$	(4,838,023	)	$	3,738,321

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

Following is the condensed consolidating balance sheet at December 31, 2017 (in thousands):

	Clean Harbors, Inc.		Guarantor Subsidiaries		Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Assets:
Cash and cash equivalents	$	51,638	$	207,777	$	59,984	$	—		$	319,399
Short-term marketable securities	—		—		38,179		—			38,179
Intercompany receivables	238,339		590,100		52,909		(881,348		)	—
Accounts receivable, net	—		433,042		95,882		—			528,924
Other current assets	897		233,602		52,947		(19,892		)	267,554
Property, plant and equipment, net	—		1,174,975		412,390		—			1,587,365
Investments in subsidiaries	3,112,547		569,568		—		(3,682,115		)	—
Intercompany debt receivable	—		92,530		21,000		(113,530		)	—
Goodwill	—		415,641		62,882		—			478,523
Permits and other intangibles, net	—		408,655		60,473		—			469,128
Other long-term assets	2,084		12,064		3,350		—			17,498
Total assets	$	3,405,505	$	4,137,954	$	859,996	$	(4,696,885	)	$	3,706,570
Liabilities and Stockholders' Equity:
Current liabilities	$	16,954	$	371,135	$	135,620	$	(19,892	)	$	503,817
Intercompany payables	574,812		289,531		17,005		(881,348		)	—
Closure, post-closure and remedial liabilities, net	—		148,872		16,851		—			165,723
Long-term obligations	1,625,537		—		—		—			1,625,537
Intercompany debt payable	—		21,000		92,530		(113,530		)	—
Other long-term liabilities	—		201,086		22,205		—			223,291
Total liabilities	2,217,303		1,031,624		284,211		(1,014,770		)	2,518,368
Stockholders' equity	1,188,202		3,106,330		575,785		(3,682,115		)	1,188,202
Total liabilities and stockholders' equity	$	3,405,505	$	4,137,954	$	859,996	$	(4,696,885	)	$	3,706,570

Schedule of Consolidating Statement of Income

Following is the consolidating statement of operations for the year ended December 31, 2018 (in thousands):

	Clean Harbors, Inc.			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues
Service revenues	$	—		$	2,145,310		$	621,435		$	(57,506	)	$	2,709,239
Product revenues	—			537,400			66,210			(12,546		)	591,064
Total revenues	—			2,682,710			687,645			(70,052		)	3,300,303
Cost of revenues (exclusive of items shown separately below)
Service cost of revenues	—			1,421,693			497,788			(57,506		)	1,861,975
Product cost of revenues	—			419,377			36,745			(12,546		)	443,576
Total cost of revenues	—			1,841,070			534,533			(70,052		)	2,305,551
Selling, general and administrative expenses	347			419,984			83,416			—			503,747
Accretion of environmental liabilities	—			8,797			1,009			—			9,806
Depreciation and amortization	—			219,530			79,095			—			298,625
(Loss) income from operations	(347		)	193,329			(10,408		)	—			182,574
Other expense, net	(1,384		)	(1,284		)	(1,842		)	—			(4,510		)
Loss on early extinguishment of debt	(2,488		)	—			—			—			(2,488		)
Interest (expense) income, net	(83,362		)	1,252			1,016			—			(81,094		)
Equity in earnings of subsidiaries, net of tax	129,082			(25,765		)	—			(103,317		)	—
Intercompany interest income (expense)	—			2,841			(2,841		)	—			—
Income (loss) before (benefit) provision for income taxes	41,501			170,373			(14,075		)	(103,317		)	94,482
(Benefit) provision for income taxes	(24,135		)	46,267			6,714			—			28,846
Net income (loss)	65,636			124,106			(20,789		)	(103,317		)	65,636
Other comprehensive loss	(50,964		)	(50,964		)	(44,292		)	95,256			(50,964		)
Comprehensive income (loss)	$	14,672		$	73,142		$	(65,081	)	$	(8,061	)	$	14,672

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

Following is the consolidating statement of operations for the year ended December 31, 2017 (in thousands):

	Clean Harbors, Inc.			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues
Service revenues	$	—		$	1,870,256		$	582,042		$	(53,648	)	$	2,398,650
Product revenues	—			492,036			66,511			(12,219		)	546,328
Total revenues	—			2,362,292			648,553			(65,867		)	2,944,978
Cost of revenues (exclusive of items shown separately below)
Service cost of revenues	—			1,224,326			471,120			(53,648		)	1,641,798
Product cost of revenues	—			386,455			46,639			(12,219		)	420,875
Total cost of revenues	—			1,610,781			517,759			(65,867		)	2,062,673
Selling, general and administrative expenses	—			373,050			83,598			—			456,648
Accretion of environmental liabilities	—			8,479			981			—			9,460
Depreciation and amortization	—			205,034			83,388			—			288,422
Income (loss) from operations	—			164,948			(37,173		)	—			127,775
Other expense, net	(222		)	(5,156		)	(741		)	—			(6,119		)
Loss on early extinguishment of debt	(7,891		)	—			—			—			(7,891		)
Gain on sale of business	—			30,732			—			—			30,732
Interest (expense) income, net	(87,113		)	1,523			(218		)	—			(85,808		)
Equity in earnings of subsidiaries, net of tax	157,963			(48,683		)	—			(109,280		)	—
Intercompany interest income (expense)	—			5,288			(5,288		)	—			—
Income (loss) before (benefit) provision for income taxes	62,737			148,652			(43,420		)	(109,280		)	58,689
(Benefit) provision for income taxes	(38,002		)	(10,117		)	6,069			—			(42,050		)
Net income (loss)	100,739			158,769			(49,489		)	(109,280		)	100,739
Other comprehensive income	41,919			41,919			38,131			(80,050		)	41,919
Comprehensive income (loss)	$	142,658		$	200,688		$	(11,358	)	$	(189,330	)	$	142,658

20) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued)

Following is the consolidating statement of operations for the year ended December 31, 2016 (in thousands):

	Clean Harbors, Inc.			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues
Service revenues	$	—		$	1,747,985		$	582,075		$	(49,251	)	$	2,280,809
Product revenues	—			410,868			73,793			(10,244		)	474,417
Total revenues	—			2,158,853			655,868			(59,495		)	2,755,226
Cost of revenues (exclusive of items shown separately below)
Service cost of revenues	—			1,116,132			476,329			(49,251		)	1,543,210
Product cost of revenues	—			349,069			50,822			(10,244		)	389,647
Total cost of revenues	—			1,465,201			527,151			(59,495		)	1,932,857
Selling, general and administrative expenses	85			341,963			79,967			—			422,015
Accretion of environmental liabilities	—			9,261			916			—			10,177
Depreciation and amortization	—			201,153			85,849			—			287,002
Goodwill impairment charge	—			—			34,013			—			34,013
(Loss) income from operations	(85		)	141,275			(72,028		)	—			69,162
Other income (expense), net	—			7,713			(1,518		)	—			6,195
Gain on sale of business	—			1,704			15,180			—			16,884
Interest (expense) income, net	(88,984		)	5,391			68			—			(83,525		)
Equity in earnings of subsidiaries, net of tax	13,568			(80,244		)	—			66,676			—
Intercompany interest income (expense)	—			19,855			(19,855		)	—			—
(Loss) income before (benefit) provision for income taxes	(75,501		)	95,694			(78,153		)	66,676			8,716
(Benefit) provision for income taxes	(35,628		)	82,643			1,574			—			48,589
Net (loss) income	(39,873		)	13,051			(79,727		)	66,676			(39,873		)
Other comprehensive income	40,566			40,566			15,291			(55,857		)	40,566
Comprehensive income (loss)	$	693		$	53,617		$	(64,436	)	$	10,819		$	693

Schedule of Condensed Consolidating Statement of Cash Flows

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2018 (in thousands):

	Clean Harbors, Inc.			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net cash from operating activities	$	34,135		$	260,101		$	78,974		$	—		$	373,210
Cash flows used in investing activities:
Additions to property, plant and equipment	—			(161,342		)	(32,002		)	—			(193,344		)
Proceeds from sale and disposal of fixed assets	—			4,174			11,271			—			15,445
Proceeds from sale of available-for-sale securities	—			—			28,723			—			28,723
Acquisitions, net of cash acquired	—			(151,023		)	—			—			(151,023		)
Additions to intangible assets, including costs to obtain or renew permits	—			(4,326		)	(362		)	—			(4,688		)
Purchases of available-for-sale securities	(1,450		)	—			(43,322		)	—			(44,772		)
Intercompany	—			(54,114		)	—			54,114			—
Net cash used in investing activities	(1,450		)	(366,631		)	(35,692		)	54,114			(349,659		)
Cash flows (used in) from financing activities:
Change in uncashed checks	—			55			77			—			132
Tax payments related to withholdings on vested restricted stock	(3,266		)	—			—			—			(3,266		)
Deferred financing costs paid	(4,027		)	—			—			—			(4,027		)
Repurchases of common stock	(45,080		)	—			—			—			(45,080		)
Principal payments on debt	(405,768		)	—			—			—			(405,768		)
Premium paid on early extinguishment of debt	(1,238		)	—			—			—			(1,238		)
Issuance of senior secured notes, net of discount	348,250			—			—			—			348,250
Borrowing from revolving credit facility	50,000			—			—			—			50,000
Payment on revolving credit facility	(50,000		)	—			—			—			(50,000		)
Intercompany	54,114			—			—			(54,114		)	—
Net cash (used in) from financing activities	(57,015		)	55			77			(54,114		)	(110,997		)
Effect of exchange rate change on cash	—			—			(5,446		)	—			(5,446		)
(Decrease) increase in cash and cash equivalents	(24,330		)	(106,475		)	37,913			—			(92,892		)
Cash and cash equivalents, beginning of year	51,638			207,777			59,984			—			319,399
Cash and cash equivalents, end of year	$	27,308		$	101,302		$	97,897		$	—		$	226,507

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

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2017 (in thousands):

	Clean Harbors, Inc.			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net cash from operating activities	$	16,292		$	217,001		$	52,405		$	—		$	285,698
Cash flows from (used in) investing activities:
Additions to property, plant and equipment	—			(142,211		)	(24,796		)	—			(167,007		)
Proceeds from sale and disposal of fixed assets	—			1,979			5,145			—			7,124
Proceeds from sale of available-for-sale securities	376			—			—			—			376
Proceeds from sale of business, net of transactional costs	—			45,245			181			—			45,426
Acquisitions, net of cash acquired	—			(11,427		)	(37,800		)	—			(49,227		)
Additions to intangible assets, including costs to obtain or renew permits	—			(1,153		)	(464		)	—			(1,617		)
Purchases of available-for-sale securities	—			—			(38,342		)	—			(38,342		)
Intercompany	—			(54,074		)	—			54,074			—
Intercompany debt	—			—			3,701			(3,701		)	—
Net cash from (used in) investing activities	376			(161,641		)	(92,375		)	50,373			(203,267		)
Cash flows used in financing activities:
Change in uncashed checks	—			(3,526		)	(2,414		)	—			(5,940		)
Proceeds from exercise of stock options	46			—			—			—			46
Tax payments related to withholdings on vested restricted stock	(3,149		)	—			—			—			(3,149		)
Deferred financing costs paid	(5,718		)	—			—			—			(5,718		)
Repurchases of common stock	(48,971		)	—			—			—			(48,971		)
Principal payments on debt	(402,000		)	—			—			—			(402,000		)
Premium paid on early extinguishment of debt	(6,028		)	—			—			—			(6,028		)
Issuance of senior secured notes, net of discount	399,000			—			—			—			399,000
Intercompany	54,074			—			—			(54,074		)	—
Intercompany debt	(3,701		)	—			—			3,701			—
Net cash used in financing activities	(16,447		)	(3,526		)	(2,414		)	(50,373		)	(72,760		)
Effect of exchange rate change on cash	—			—			2,731			—			2,731
Increase (decrease) in cash and cash equivalents	221			51,834			(39,653		)	—			12,402
Cash and cash equivalents, beginning of year	51,417			155,943			99,637			—			306,997
Cash and cash equivalents, end of year	$	51,638		$	207,777		$	59,984		$	—		$	319,399

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

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2016 (in thousands):

	Clean Harbors, Inc.			Guarantor Subsidiaries			Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Net cash from operating activities	$	51,033		$	125,591		$	83,000		$	—		$	259,624
Cash flows used in investing activities:
Additions to property, plant and equipment	—			(194,184		)	(25,200		)	—			(219,384		)
Proceeds from sale and disposal of fixed assets	—			12,926			7,891			—			20,817
Proceeds on sale of business, net of transactional costs	—			18,885			28,249			—			47,134
Acquisitions, net of cash acquired	—			(196,915		)	(10,000		)	—			(206,915		)
Additions to intangible assets including costs to obtain or renew permits	—			(1,749		)	(1,082		)	—			(2,831		)
Purchases of available-for-sale securities	(102		)	—			(496		)	—			(598		)
Intercompany	—			(23,182		)	—			23,182			—
Intercompany debt	—			63,118			(21,000		)	(42,118		)	—
Investment in subsidiaries	(257,125		)	—			—			257,125			—
Net cash used in investing activities	(257,227		)	(321,101		)	(21,638		)	238,189			(361,777		)
Cash flows from (used in) financing activities:
Change in uncashed checks	—			(3,651		)	474			—			(3,177		)
Proceeds from exercise of stock options	627			—			—			—			627
Tax payments related to withholdings on vested restricted stock	(2,819		)	—			—			—			(2,819		)
Deferred financing costs paid	(4,031		)	—			—			—			(4,031		)
Repurchases of common stock	(22,188		)	—			—			—			(22,188		)
Excess tax benefit of stock-based compensation	1,198			—			—			—			1,198
Issuance of senior unsecured notes, including premium	250,625			250,625			—			(250,625		)	250,625
Intercompany	23,182			—			6,500			(29,682		)	—
Intercompany debt	—			21,000			(63,118		)	42,118			—
Net cash from (used in) financing activities	246,594			267,974			(56,144		)	(238,189		)	220,235
Effect of exchange rate change on cash	—			—			4,207			—			4,207
Increase in cash and cash equivalents	40,400			72,464			9,425			—			122,289
Cash and cash equivalents, beginning of year	11,017			83,479			90,212			—			184,708
Cash and cash equivalents, end of year	$	51,417		$	155,943		$	99,637		$	—		$	306,997