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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - Scenario, Unspecified - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2015 | Jun. 30, 2014
Write off of Deferred Debt Issuance Cost | $ 3,751 |  | $ 0
Cash Flows from Operating Activities: |  |  |
Net income | 53,387 |  | 34,706
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Gain on sale of discontinued operations, net of income taxes | (25,703) |  | 0
Depreciation and amortization | 19,813 |  | 18,463
Stock-based compensation | 9,190 |  | 7,285
Gross excess tax benefits from stock-based compensation | (2,640) |  | (3,217)
Fair value adjustment for contingent consideration | 512 |  | 0
Workers’ compensation and medical malpractice provision | 993 |  | 2,505
Other | 935 |  | 706
Changes in operating assets and liabilities, net of effects of divestiture: |  |  |
Accounts receivable | (24,401) |  | (37,067)
Prepaid expenses and income taxes | 7,165 |  | 1,461
Accounts payable | (158) |  | (2,872)
Accrued payroll and contract professional pay | 13,293 |  | 8,125
Income taxes payable | (10,165) |  | (4,414)
Workers’ compensation and medical malpractice loss reserves | (834) |  | (835)
Other | 2,506 |  | (3,074)
Net cash provided by operating activities | 52,420 |  | 25,009
Amortization of Financing Costs | 4,776 |  | 3,237
Cash Flows from Investing Activities: |  |  |
Cash paid for property and equipment | (13,331) |  | (9,638)
Cash received from sale of discontinued operations, net | 115,440 |  | 0
Payments to Acquire Businesses, Net of Cash Acquired | (552,794) |  | 48
Other | (584) |  | 358
Net cash used in investing activities | (451,269) |  | (9,232)
Cash Flows from Financing Activities: |  |  |
Principal payments of long-term debt | (440,125) |  | (122,563)
Proceeds from long-term debt | 875,000 |  | 99,500
Proceeds from option exercises and employee stock purchase plan | 3,802 |  | 3,268
Payment of employment taxes related to release of restricted stock awards | (5,537) |  | (4,544)
Gross excess tax benefits from stock-based compensation | 2,640 |  | 3,217
Repurchase of common stock | (1,645) |  | 0
Debt issuance or amendment costs | (23,893) |  | (446)
Payments of accrued earn-outs | 0 |  | (691)
Net cash provided by (used in) financing activities | 410,242 |  | (22,259)
Effect of exchange rate changes on cash and cash equivalents | (1,244) |  | (115)
Net Increase (Decrease) in Cash and Cash Equivalents | 10,149 |  | (6,597)
Cash and Cash Equivalents at Beginning of Year | 31,714 | [1] | 37,350
Cash and Cash Equivalents at End of Period | 41,863 |  | 30,753
Supplemental Disclosure of Cash Flow Information: |  |  |
Income taxes | 20,418 |  | 29,175
Interest | 6,798 |  | 5,899
Supplemental Disclosure of Non-Cash Transactions: |  |  |
Acquisition of property and equipment through accounts payable | $ 1,627 |  | $ 639
[1] | Cash and cash equivalents at December 31, 2014 include $2.9 million from the Physician Segment (see "Note 4. Discontinued Operations").

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- Definition The amount of cash paid during the current period for taxes other than income taxes. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
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- Definition The net cash outflow or inflow from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3098-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3095-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + 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 (a) -URI http://asc.fasb.org/extlink&oid=56944662&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 + Details
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- Definition The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt. + 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 (e) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3213-108585 + Details
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- Definition This element represents the cash inflow during the period from the sale of a component of the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 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 + Details
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- Definition The cash inflow from the issuance of common stock, preferred stock, treasury stock, stock options, and other types of equity. + 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 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3255-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + 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=56944662&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 + 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=56944662&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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- Definition Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt. + 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 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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