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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Cash Flows from Operating Activities: |  |
Net income (loss) | $ (41,820) | $ 5,116
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |
Depreciation and amortization | 46,307 | 46,430
Depletion of landfill operating lease obligations | 6,834 | 7,130
Interest accretion on landfill and environmental remediation liabilities | 3,205 | 2,688
Amortization of debt issuance costs and discount on long-term debt | 2,005 | 3,106
Stock-based compensation | 4,784 | 2,377
Gain on sale of property and equipment | (43) | (541)
Southbridge Landfill non-cash closure charge | 63,526 | 0
Loss on debt extinguishment | 517 | 736
Deferred income taxes | 384 | 528
Changes in assets and liabilities, net of effects of acquisitions and divestitures: |  |
Accounts receivable | (3,887) | (3,188)
Accounts payable | 2,046 | 2,376
Prepaid expenses, inventories and other assets | (1,722) | (3,262)
Accrued expenses and other liabilities | (3,036) | (7,425)
Net cash provided by operating activities | 79,100 | 56,071
Cash Flows from Investing Activities: |  |
Acquisitions, net of cash acquired | (3,563) | (2,439)
Acquisition related additions to property, plant and equipment | (182) | (38)
Additions to property, plant and equipment | (43,230) | (37,435)
Payments on landfill operating lease contracts | (3,731) | (4,811)
Proceeds from sale of property and equipment | 657 | 1,069
Net cash used in investing activities | (50,049) | (43,654)
Cash Flows from Financing Activities: |  |
Proceeds from long-term borrowings | 146,400 | 140,700
Principal payments on long-term debt | (175,244) | (152,123)
Payments of debt issuance costs | (1,451) | (682)
Payments of debt extinguishment costs | 0 | (410)
Proceeds from the exercise of share based awards | 1,003 | 0
Change in restricted cash | 0 | 1,347
Net cash used in financing activities | (29,292) | (11,168)
Net (decrease) increase in cash and cash equivalents | (241) | 1,249
Cash and cash equivalents, beginning of period | 2,544 | 2,312
Cash and cash equivalents, end of period | 2,303 | 3,561
Cash paid during the period for: |  |
Interest | 19,417 | 33,723
Income taxes, net of refunds | 248 | 242
Supplemental Disclosure of Non-Cash Investing and Financing Activities: |  |
Non-current assets obtained through long-term obligations | $ 3,564 | $ 1,841

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- Definition The non-cash portion of the aggregate charge associated with the closure of a landfill, which includes a non-cash asset impairment charge, a non-cash project development charge, and a non-cash environmental remediation charge. + References No definition available. + Details
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- Definition The cash outflow associated with landfill operating agreements consisting of up-front or one-time payments, future minimum rental payments, including success/expansion fees, other direct costs and capping, closure and post closure costs. + References No definition available. + Details
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- Definition The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow for cost from early extinguishment and prepayment of debt. Includes, but is not limited to, third-party cost, premium paid, and other fee paid to lender directly for debt extinguishment or debt prepayment. Excludes accrued interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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