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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
OPERATING ACTIVITIES: |  |
Net income | $ 17,230 | $ 26,173
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 41,312 | 36,267
Deferred income tax | (1,138) | (642)
Amortization of debt issuance costs | 784 | 1,236
Non-cash interest expense | 0 | 4,168
Realized loss on sale of short-term investment | 2,287 | 0
Loss on disposal of property and equipment | 452 | 1,184
Change in fair value of contingent consideration and other | (1,995) | 251
Share-based compensation | 11,050 | 7,897
Changes in assets and liabilities, net of business acquisitions: |  |
Accounts receivable | (11,303) | (13,525)
Inventories | (5,464) | (7,362)
Prepaid expenses and other current assets | (9,236) | 4,362
Other non-current assets | (1,811) | (571)
Accounts payable, accrued expenses and other current liabilities | 20,287 | 2,237
Deferred revenue | 2,083 | 2,510
Other non-current liabilities | (6,785) | (1,076)
Net cash provided by operating activities | 57,753 | 63,109
INVESTING ACTIVITIES: |  |
Purchases of property and equipment | (22,010) | (19,162)
Proceeds from sale of property and equipment | 143 | 0
Cash used in business acquisition, net of cash acquired | (225,744) | 0
Cash received from business acquisition purchase price adjustment | 0 | 224
Change in restricted cash | 0 | 4,165
Proceeds from sale of short-term investments | 16,951 | 0
Net cash used in investing activities | (230,660) | (14,773)
FINANCING ACTIVITIES: |  |
Borrowings under senior credit facility | 245,000 | 15,000
Repayments under senior credit facility | (30,000) | (28,750)
Net cash received for contingent consideration | 87 | 0
Principal payments under capital lease obligations | 0 | (323)
Proceeds from exercised stock options | 9,774 | 9,260
Cash taxes paid in net equity settlement | (6,498) | (4,269)
Net cash provided by (used in) financing activities | 218,363 | (9,082)
Effect of exchange rate changes on cash and cash equivalents | 7,089 | (583)
Net increase in cash and cash equivalents | 52,545 | 38,671
Cash and cash equivalents at beginning of period | 102,055 | 48,132
Cash and cash equivalents at end of period | $ 154,600 | $ 86,803

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- Definition The cash inflow from sales of all investments, including securities and other assets, having ready marketability and intended by management to be liquidated, if necessary, within the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the short-term. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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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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- Definition The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, 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=98514028&loc=d3e3291-108585 + Details
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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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- 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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