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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Cash flows from operating activities: |  |
Net income (loss) | $ (31,417) | $ 72,670
Adjustments to reconcile net income (loss) to net cash flows from operating activities: |  |
Depreciation | 12,573 | 10,583
Amortization | 38,646 | 40,272
Amortization of deferred debt issuance costs | 2,760 | 2,826
Deferred income taxes | (30,121) | 3,578
Stock-based compensation expense | 14,640 | 23,018
Gain on sale of CFS assets | 0 | (151,952)
Other | 443 | (762)
Changes in operating assets and liabilities, net of impact of acquisitions: |  |
Receivables | 70,564 | 29,299
Accounts payable | (3,929) | (3,247)
Accrued employee compensation | (4,260) | 11,946
Current income taxes | (9,592) | 10,508
Deferred revenue | 841 | 8,919
Other current and noncurrent assets and liabilities | 37,949 | (89)
Net cash flows from operating activities | 99,097 | 57,569
Cash flows from investing activities: |  |
Purchases of property and equipment | (11,809) | (20,728)
Purchases of software and distribution rights | (14,426) | (12,384)
Proceeds from sale of CFS assets | 0 | 200,000
Other | 0 | (7,000)
Net cash flows from investing activities | (26,235) | 159,888
Cash flows from financing activities: |  |
Proceeds from issuance of common stock | 1,441 | 1,532
Proceeds from exercises of stock options | 7,949 | 7,986
Repurchase of restricted stock for tax withholdings | (4,770) | (1,446)
Repurchases of common stock | 0 | (60,089)
Proceeds from revolving credit facility | 12,000 | 0
Repayment of revolving credit facility | (100,000) | (156,000)
Proceeds from term portion of credit agreement | 415,000 | 0
Repayment of term portion of credit agreement | (375,665) | (47,646)
Payment of debt issuance costs | (5,340) | 0
Payments on other debt and capital leases | (6,021) | (10,210)
Net cash flows from financing activities | (55,406) | (265,873)
Effect of exchange rate fluctuations on cash | 2,148 | (1,360)
Net increase (decrease) in cash and cash equivalents | 19,604 | (49,776)
Cash and cash equivalents, beginning of period | 75,753 | 102,239
Cash and cash equivalents, end of period | 95,357 | 52,463
Supplemental cash flow information |  |
Income taxes paid, net | 19,605 | 5,857
Interest paid | $ 16,937 | $ 17,772

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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=98514028&loc=d3e3179-108585 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The cash inflow from the additional capital contribution to 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 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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Balance Type: | debit
Period Type: | duration

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- Definition The cash inflow from amounts received from issuance of long-term debt that is wholly or partially secured by collateral. Excludes proceeds from tax exempt secured debt. + 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=98514028&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from contractual arrangement with the 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 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: 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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Balance Type: | debit
Period Type: | duration

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- Definition Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement. + 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 (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=96867065&loc=SL79508275-113901 + Details
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Period Type: | duration

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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=98514028&loc=d3e3291-108585 Reference 2: 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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Period Type: | duration

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- Definition The cash outflow associated with security instruments that either represent a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. Includes repayments of (a) debt, (b) capital lease obligations, (c) mandatory redeemable capital securities, and (d) any combination of (a), (b), or (c). + 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),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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Period Type: | duration

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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured 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 (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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Period Type: | duration

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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=98514028&loc=d3e3602-108585 + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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