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GUARANTOR AND NON-GUARANTOR SUBSIDIARIES | 12 Months Ended
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Dec. 31, 2018
Guarantor and Non-Guarantor Subsidiaries Financial Information [Abstract] |
GUARANTOR AND NON-GUARANTOR SUBSIDIARIES | GUARANTOR AND NON-GUARANTOR SUBSIDIARIES The previously outstanding 2020 Notes and the currently outstanding 2021 Notes (collectively, the "Senior Unsecured Notes") and the Company's obligations under its Term Loan Agreement were or are guaranteed by substantially all of the Company’s subsidiaries organized in the United States. Each guarantor was or is a 100% owned subsidiary of Clean Harbors, Inc. and its guarantee was or is both full and unconditional and joint and several. The guarantees were or are, however, subject to customary release provisions under which, in particular, the guarantee of any domestic restricted subsidiary will be released if the Company sells such subsidiary to an unrelated third party in accordance with the terms of the indentures which govern the Senior Unsecured Notes and of the Term Loan Agreement. The Senior Unsecured Notes and the Company's obligations under its Term Loan Agreement are not guaranteed by the Company’s subsidiaries organized outside the United States. The following supplemental condensed consolidating financial information for the parent company, the guarantor subsidiaries and the non-guarantor subsidiaries, respectively, is presented in conformity with the requirements of Rule 3-10 of SEC Regulation S-X (“Rule 3-10”). (20) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued) 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 |
(20) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued) 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 |
(20) GUARANTOR AND NON-GUARANTOR SUBSIDIARIES (Continued) 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 |

X
- Definition This element represents the disclosure of the condensed financial statements (balance sheet, income statement and statement of cash flows), normally using the registrant (parent) as the sole domain member. If condensed consolidating financial statements are being presented, other domain members (in addition to parent) such as guarantor subsidiaries, non-guarantor subsidiaries, and the consolidation eliminations, will be included in order that the respective monetary amounts for each of the domains will aggregate to the respective amounts on the consolidated financial statements. The line items are the various captions used to compile the condensed financial statements. Using extensions, most, if not all, of the elements representing condensed financial statement captions will be the same as those used for the consolidated financial statements captions. + References No definition available. + Details
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Namespace Prefix: | clh_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition -- None. No documentation exists for this element. -- + References No definition available. + Details
Name: | clh_GuarantorAndNonGuarantorSubsidiariesFinancialInformationAbstract
Namespace Prefix: | clh_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration