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CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2016 | Jun. 30, 2015
OPERATING ACTIVITIES |  |
Net income including non-controlling interests | $ 17,740 | $ 15,268
Adjustments to reconcile net income including non-controlling interests to net cash provided by operating activities: |  |
Depreciation and amortization | 4,158 | 3,674
Provision for doubtful accounts | 2,045 | 2,052
Equity-based awards compensation expense | 2,484 | 2,206
Loss (gain) on sale of fixed assets | 0 | (13)
Excess tax benefit from exercise of equity-based awards | 0 | (430)
Deferred income tax | 4,170 | 2,130
Other | (556) | 111
Changes in operating assets and liabilities: |  |
Increase in patient accounts receivable | (2,449) | (2,880)
Decrease in accounts receivable - other | 53 | 165
Increase in other assets | (2,443) | (13)
Increase (decrease) in accounts payable and accrued expenses | 7,715 | (3,958)
Increase in other liabilities | 447 | 927
Net cash provided by operating activities | 33,364 | 19,239
INVESTING ACTIVITIES |  |
Purchase of fixed assets | (3,453) | (2,873)
Purchase of businesses, net of cash acquired | (12,958) | (14,467)
Acquisitions of non-controlling interests (including redeemable non-controlling interests) | (1,386) | (968)
Proceeds on sale of fixed assets, net | 42 | 72
Net cash used in investing activities | (17,755) | (18,236)
FINANCING ACTIVITIES |  |
Distributions to non-controlling interests (including redeemable non-controlling interests) | (5,204) | (4,906)
Cash dividends to shareholders - funded | (4,254) | (3,723)
Proceeds from revolving line of credit | 93,000 | 51,000
Payments on revolving line of credit | (94,500) | (44,500)
Principal payments on notes payable | (533) | (608)
Tax benefit from equity-based awards | 556 | 430
Other | 1 | 5
Net cash used in financing activities | (10,934) | (2,302)
Net increase in cash and cash equivalents | 4,675 | (1,299)
Cash and cash equivalents - beginning of period | 15,778 | 14,271
Cash and cash equivalents - end of period | 20,453 | 12,972
Cash paid during the period for: |  |
Income taxes | 5,513 | 3,835
Interest | 512 | 460
Non-cash investing and financing transactions during the period: |  |
Purchase of business - seller financing portion | 500 | 1,350
Acquisition of noncontrolling interest - seller financing portion | 514 | 627
Sale of non-controlling interests | $ (148) | $ 0

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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: 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=66902209&loc=d3e3602-108585 + Details
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. + 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 (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition The cash outflow for a borrowing supported by a written promise to pay an obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + 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=66902209&loc=d3e3602-108585 + Details
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- Definition Purchase of business - seller financing portion in noncash investing or financing activities. + References No definition available. + Details
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