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Condensed Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
Cash flows from operating activities: |  |
Net income | $ 50,831 | $ 32,970
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 14,874 | 16,815
Unrealized foreign currency gain, net | (1,057) | (1,744)
Share-based compensation | 6,015 | 3,945
Other non-cash items | 3,229 | (2,872)
Changes in operating assets and liabilities: |  |
Accounts receivable, net of allowances | (73,845) | (53,086)
Inventories | (6,506) | (4,743)
Prepaid expenses and other assets | (1,089) | 12,567
Accounts payable, accrued expenses and other liabilities | 48,409 | 35,528
Cash provided by operating activities | 40,861 | 39,380
Cash flows from investing activities: |  |
Purchases of property, equipment, and software | (3,246) | (12,231)
Proceeds from disposal of property and equipment | 34 | 1,506
Cash used in investing activities | (3,212) | (10,725)
Cash flows from financing activities: |  |
Proceeds from bank borrowings | 0 | 5,500
Repayments of bank borrowings and capital lease obligations | (669) | (7,565)
Dividends—Series A preferred stock | (6,000) | (6,000)
Repurchases of common stock | (25,946) | (10,000)
Other | (208) | (240)
Cash used in financing activities | (32,823) | (18,305)
Effect of exchange rate changes on cash, cash equivalents, and restricted cash | (6,183) | (717)
Net change in cash, cash equivalents, and restricted cash | (1,357) | 9,633
Cash, cash equivalents, and restricted cash—beginning of period | 177,055 | 152,646
Cash, cash equivalents, and restricted cash—end of period | $ 175,698 | $ 162,279

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- Definition Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3521-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=98513485&loc=SL98516268-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3044-108585 + Details
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