GUARANTOR AND NON-GUARANTOR SUBSIDIARIES FINANCIAL INFORMATION (Tables)

12 Months Ended

Dec. 31, 2012

Guarantor and Non-Guarantor Subsidiaries Financial Information [Abstract]

Schedule of condensed consolidating balance sheet

Following is the condensed consolidating balance sheet at December 31, 2012 (in thousands):

	Clean Harbors, Inc.		U.S. Guarantor Subsidiaries		Foreign Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Assets:
Cash and cash equivalents	$	35,214	$	140,683	$	53,939	$	—		$	229,836
Intercompany receivables	296,023		17,704		116,571		(430,298		)	—
Other current assets	38,295		526,354		292,308		—			856,957
Property, plant and equipment, net	—		886,032		645,731		—			1,531,763
Investments in subsidiaries	2,528,699		850,011		144,953		(3,523,663		)	—
Intercompany debt receivable	—		508,067		3,701		(511,768		)	—
Other long-term assets	21,141		896,991		289,118		—			1,207,250
Total assets	$	2,919,372	$	3,825,842	$	1,546,321	$	(4,465,729	)	$	3,825,806
Liabilities and Stockholders' Equity:
Current liabilities	$	32,586	$	402,990	$	133,476	$	—		$	569,052
Intercompany payables	—		412,594		17,704		(430,298		)	—
Closure, post-closure and remedial liabilities, net	—		161,175		36,172		—			197,347
Long-term obligations	1,400,000		—		—		—			1,400,000
Capital lease obligations, net	—		301		2,578		—			2,879
Intercompany debt payable	3,701		—		508,067		(511,768		)	—
Other long-term liabilities	51,013		134,393		39,050		—			224,456
Total liabilities	1,487,300		1,111,453		737,047		(942,066		)	2,393,734
Stockholders' equity	1,432,072		2,714,389		809,274		(3,523,663		)	1,432,072
Total liabilities and stockholders' equity	$	2,919,372	$	3,825,842	$	1,546,321	$	(4,465,729	)	$	3,825,806

Following is the condensed consolidating balance sheet at December 31, 2011 (in thousands):

	Clean Harbors, Inc.		U.S. Guarantor Subsidiaries		Foreign Non-Guarantor Subsidiaries		Consolidating Adjustments			Total
Assets:
Cash and cash equivalents	$	91,581	$	128,071	$	41,071	$	—		$	260,723
Intercompany receivables	319,444		—		126,823		(446,267		)	—
Other current assets	43,687		324,607		262,851		—			631,145
Property, plant and equipment, net	—		392,566		511,381		—			903,947
Investments in subsidiaries	1,064,966		421,648		91,654		(1,578,268		)	—
Intercompany debt receivable	—		472,929		3,701		(476,630		)	—
Other long-term assets	13,228		111,104		165,656		—			289,988
Total assets	$	1,532,906	$	1,850,925	$	1,203,137	$	(2,501,165	)	$	2,085,803
Liabilities and Stockholders' Equity:
Current liabilities	$	15,612	$	220,968	$	145,162	$	—		$	381,742
Intercompany payables	—		446,267		—		(446,267		)	—
Closure, post-closure and remedial liabilities, net	—		133,773		21,369		—			155,142
Long-term obligations	524,203		—		—		—			524,203
Capital lease obligations, net	—		475		5,900		—			6,375
Intercompany debt payable	3,701		—		472,929		(476,630		)	—
Other long-term liabilities	88,403		7,588		21,363		—			117,354
Total liabilities	631,919		809,071		666,723		(922,897		)	1,184,816
Stockholders' equity	900,987		1,041,854		536,414		(1,578,268		)	900,987
Total liabilities and stockholders' equity	$	1,532,906	$	1,850,925	$	1,203,137	$	(2,501,165	)	$	2,085,803

Schedule of consolidating statement of income

Following is the consolidating statement of income for the year ended December 31, 2012 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues	$	—		$	1,243,453		$	965,740		$	(21,285	)	$	2,187,908
Cost of revenues (exclusive of items shown separately below)	—			857,813			704,093			(21,285		)	1,540,621
Selling, general and administrative expenses	66			173,190			100,264			—			273,520
Accretion of environmental liabilities	—			8,592			1,325			—			9,917
Depreciation and amortization	—			80,154			81,492			—			161,646
Income from operations	(66		)	123,704			78,566			—			202,204
Other expense	—			(154		)	(648		)	—			(802		)
Loss on early extinguishment of debt	(26,385		)	—			—			—			(26,385		)
Interest (expense) income, net	(46,221		)	—			(1,066		)	—			(47,287		)
Equity in earnings of subsidiaries	187,432			65,452			—			(252,884		)	—
Intercompany dividend income (expense)	10,010			—			13,805			(23,815		)	—
Intercompany interest income (expense)	—			41,636			(41,636		)	—			—
Income before provision for income taxes	124,770			230,638			49,021			(276,699		)	127,730
Provision for income taxes	(4,904		)	(8,852		)	11,812			—			(1,944		)
Net income	129,674			239,490			37,209			(276,699		)	129,674
Other comprehensive income (loss)	18,279			18,279			7,986			(26,265		)	18,279
Comprehensive income (loss)	$	147,953		$	257,769		$	45,195		$	(302,964	)	$	147,953

Following is the consolidating statement of income for the year ended December 31, 2011 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues	$	—		$	1,141,935		$	870,043		$	(27,842	)	$	1,984,136
Cost of revenues (exclusive of items shown separately below)	—			786,771			621,062			(27,842		)	1,379,991
Selling, general and administrative expenses	100			165,882			88,155			—			254,137
Accretion of environmental liabilities	—			8,442			1,238			—			9,680
Depreciation and amortization	—			58,328			64,335			—			122,663
Income from operations	(100		)	122,512			95,253			—			217,665
Other income	—			3,864			2,538			—			6,402
Loss on early extinguishment of debt	—			—			—			—			—
Interest (expense) income, net	(38,755		)	18			(652		)	—			(39,389		)
Equity in earnings of subsidiaries	174,029			84,789			—			(258,818		)	—
Intercompany dividend income (expense)	10,186			—			13,832			(24,018		)	—
Intercompany interest income (expense)	—			37,870			(37,870		)	—			—
Income before provision for income taxes	145,360			249,053			73,101			(282,836		)	184,678
Provision for income taxes	18,108			29,341			9,977			—			57,426
Net income	127,252			219,712			63,124			(282,836		)	127,252
Other comprehensive income (loss)	(19,406		)	(19,406		)	(8,381		)	27,787			(19,406		)
Comprehensive income (loss)	$	107,846		$	200,306		$	54,743		$	(255,049	)	$	107,846

Following is the consolidating statement of income for the year ended December 31, 2010 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries		Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues	$	—		$	1,136,249	$	612,059		$	(17,064	)	$	1,731,244
Cost of revenues (exclusive of items shown separately below)	—			777,607		450,197			(17,064		)	1,210,740
Selling, general and administrative expenses	100			141,746		63,966			—			205,812
Accretion of environmental liabilities	—			9,181		1,126			—			10,307
Depreciation and amortization	—			49,005		43,468			—			92,473
Income from operations	(100		)	158,710		53,302			—			211,912
Other income	—			489		2,306			—			2,795
Loss on early extinguishment of debt	(2,294		)	—		—			—			(2,294		)
Interest (expense) income, net	(28,037		)	226		(125		)	—			(27,936		)
Equity in earnings of subsidiaries	186,377			49,869		—			(236,246		)	—
Intercompany dividend income (expense)	—			—		13,282			(13,282		)	—
Intercompany interest income (expense)	—			32,910		(32,910		)	—			—
Income from continuing operations before provision for income taxes	155,946			242,204		35,855			(249,528		)	184,477
Provision for income taxes	25,431			37,754		(6,429		)	—			56,756
Income from continuing operations	130,515			204,450		42,284			(249,528		)	127,721
Income from discontinued operations, net of tax	—			—		2,794			—			2,794
Net income	130,515			204,450		45,078			(249,528		)	130,515
Other comprehensive income (loss)	23,930			23,930		6,244			(30,174		)	23,930
Comprehensive income (loss)	$	154,445		$	228,380	$	51,322		$	(279,702	)	$	154,445

Schedule of condensed consolidating statement of cash flows

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries		Foreign Non-Guarantor Subsidiaries			Consolidating Adjustments			Total
Revenues	$	—		$	1,136,249	$	612,059		$	(17,064	)	$	1,731,244
Cost of revenues (exclusive of items shown separately below)	—			777,607		450,197			(17,064		)	1,210,740
Selling, general and administrative expenses	100			141,746		63,966			—			205,812
Accretion of environmental liabilities	—			9,181		1,126			—			10,307
Depreciation and amortization	—			49,005		43,468			—			92,473
Income from operations	(100		)	158,710		53,302			—			211,912
Other income	—			489		2,306			—			2,795
Loss on early extinguishment of debt	(2,294		)	—		—			—			(2,294		)
Interest (expense) income, net	(28,037		)	226		(125		)	—			(27,936		)
Equity in earnings of subsidiaries	186,377			49,869		—			(236,246		)	—
Intercompany dividend income (expense)	—			—		13,282			(13,282		)	—
Intercompany interest income (expense)	—			32,910		(32,910		)	—			—
Income from continuing operations before provision for income taxes	155,946			242,204		35,855			(249,528		)	184,477
Provision for income taxes	25,431			37,754		(6,429		)	—			56,756
Income from continuing operations	130,515			204,450		42,284			(249,528		)	127,721
Income from discontinued operations, net of tax	—			—		2,794			—			2,794
Net income	130,515			204,450		45,078			(249,528		)	130,515
Other comprehensive income (loss)	23,930			23,930		6,244			(30,174		)	23,930
Comprehensive income (loss)	$	154,445		$	228,380	$	51,322		$	(279,702	)	$	154,445

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2012 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Total
Net cash from operating activities	$	(45,655	)	$	179,425		$	190,595		$	324,365
Cash flows from investing activities:
Additions to property, plant and equipment	—			(117,344		)	(80,053		)	(197,397		)
Proceeds from sales of fixed assets	—			3,810			4,315			8,125
Acquisitions, net of cash acquired	(1,257,259		)	(63,351		)	(53,311		)	(1,373,921		)
Costs to obtain or renew permits	—			(712		)	(3,334		)	(4,046		)
Purchase of marketable securities	—			—			(10,517		)	(10,517		)
Other	—			500			4,620			5,120
Net cash from investing activities	(1,257,259		)	(177,097		)	(138,280		)	(1,572,636		)
Cash flows from financing activities:
Change in uncashed checks	—			(6,761		)	(5,309		)	(12,070		)
Proceeds from exercise of stock options	288			—			—			288
Proceeds from employee stock purchase plan	6,196			—			—			6,196
Remittance of shares, net	(2,912		)	—			—			(2,912		)
Excess tax benefit of stock-based compensation	2,556			—			—			2,556
Deferred financing costs paid	(19,056		)	—			—			(19,056		)
Payments on capital leases	—			(850		)	(5,749		)	(6,599		)
Proceeds from issuance of common stock, net	369,520			—			—			369,520
Principal payments on debt	(520,000		)	—			—			(520,000		)
Distribution of cash earned on employee participation plan	(55		)	—			—			(55		)
Issuance of senior unsecured notes, at par	1,400,000			—			—			1,400,000
Issuance of senior secured notes, including premium	—									—
Dividends (paid)/received	10,010			(23,815		)	13,805			—
Interest (payments) / received	—			41,710			(41,710		)	—
Net cash from financing activities	1,246,547			10,284			(38,963		)	1,217,868
Effect of exchange rate change on cash	—			—			(484		)	(484		)
(Decrease) increase in cash and cash equivalents	(56,367		)	12,612			12,868			(30,887		)
Cash and cash equivalents, beginning of year	91,581			128,071			41,071			260,723
Cash and cash equivalents, end of year	$	35,214		$	140,683		$	53,939		$	229,836

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2011 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Total
Net cash from operating activities	$	(17,428	)	$	90,015		$	106,944		$	179,531
Cash flows from investing activities:
Additions to property, plant and equipment	—			(92,531		)	(55,982		)	(148,513		)
Acquisitions, net of cash acquired	—			(50,166		)	(286,794		)	(336,960		)
Additions to intangible assets, including costs to obtain or renew permits	—			(465		)	(2,462		)	(2,927		)
Proceeds from sales of fixed assets and assets held for sale	—			657			6,137			6,794
Proceeds from sales of marketable securities	—			—			425			425
Proceeds from sale of long-term investments	—			1,000			—			1,000
Investment in subsidiaries	(258,597		)	178,884			79,713			—
Net cash from investing activities	(258,597		)	37,379			(258,963		)	(480,181		)
Cash flows from financing activities:
Change in uncashed checks	—			6,558			3,264			9,822
Proceeds from exercise of stock options	1,350			—			—			1,350
Proceeds from employee stock purchase plan	3,516			—			—			3,516
Remittance of shares, net	(4,061		)	—			—			(4,061		)
Excess tax benefit of stock-based compensation	3,352			—			—			3,352
Deferred financing costs paid	(8,463		)	—			—			(8,463		)
Payments of capital leases	—			(820		)	(7,017		)	(7,837		)
Distribution of cash earned on employee participation plan	—			—			(189		)	(189		)
Issuance of senior secured notes, including premium	261,250									261,250
Dividends (paid) / received	10,186			(24,306		)	14,120
Interest (payments) / received	—			35,088			(35,088		)	—
Intercompany debt	—			(140,425		)	140,425			—
Net cash from financing activities	267,130			(123,905		)	115,515			258,740
Effect of exchange rate change on cash	—			—			423			423
(Decrease) increase in cash and cash equivalents	(8,895		)	3,489			(36,081		)	(41,487		)
Cash and cash equivalents, beginning of year	100,476			124,582			77,152			302,210
Cash and cash equivalents, end of year	$	91,581		$	128,071		$	41,071		$	260,723

Following is the condensed consolidating statement of cash flows for the year ended December 31, 2010 (in thousands):

	Clean Harbors, Inc.			U.S. Guarantor Subsidiaries			Foreign Non-Guarantor Subsidiaries			Total
Net cash from operating activities	$	(4,666	)	$	125,974		$	102,800		$	224,108
Cash flows from investing activities:
Additions to property, plant and equipment	—			(55,814		)	(60,636		)	(116,450		)
Acquisitions, net of cash acquired	—			(14,646		)	—			(14,646		)
Additions to intangible assets, including costs to obtain or renew permits	—			(1,534		)	(2,670		)	(4,204		)
Purchase of marketable securities	—			—			(2,127		)	(2,127		)
Purchase of investment securities	(10,506		)	—			—			(10,506		)
Proceeds from sales of fixed assets and assets held for sale	—			1,018			15,035			16,053
Proceeds from sales of marketable securities	—			—			3,557			3,557
Proceeds from sale of long-term investments	—			1,300			—			1,300
Proceeds from insurance settlement	—			—			1,336			1,336
Investment in subsidiaries	(236,700		)	236,700			—			—
Net cash from investing activities	(247,206		)	167,024			(45,505		)	(125,687		)
Cash flows from financing activities:
Change in uncashed checks	—			(995		)	(271		)	(1,266		)
Proceeds from exercise of stock options	862			—			—			862
Proceeds from employee stock purchase plan	2,449			—			—			2,449
Remittance of shares, net	(399		)	—			—			(399		)
Excess tax benefit of stock-based compensation	1,751			—			—			1,751
Deferred financing costs paid	(353		)	—			—			(353		)
Payments of capital leases	—			(492		)	(4,634		)	(5,126		)
Principal payment on debt	(30,000		)	—			—			(30,000		)
Distribution of cash earned on employee participation plan	—			—			(148		)	(148		)
Interest (payments) / received	—			19,363			(19,363		)	—
Intercompany debt	236,700			(236,700		)	—			—
Net cash from financing activities	211,010			(218,824		)	(24,416		)	(32,230		)
Effect of exchange rate change on cash	—			—			2,473			2,473
(Decrease) increase in cash and cash equivalents	(40,862		)	74,174			35,352			68,664
Cash and cash equivalents, beginning of year	141,338			50,408			41,800			233,546
Cash and cash equivalents, end of year	$	100,476		$	124,582		$	77,152		$	302,210