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v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Cash flows from operating activities |  |  |
Net income | $ 23,840 | $ 35,229 | $ 18,646
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 15,692 | 14,407 | 14,245
Amortization of net premium on available-for-sale investments | 425 | 643 | 2,402
Net realized gain on long-term investments | (4,685) | (5,923) | (10,337)
Net (gain) loss on disposal of property, plant and equipment | (145) | 22 | 644
Gain on bargain purchase of a business |  | (3,542) |
Stock-based compensation expense | 7,433 | 6,695 | 6,712
Deferred income taxes | 14,073 | (2,685) | (692)
Tax impact of stock option exercises |  |  | (40)
Change in operating assets and liabilities: |  |  |
Accounts receivable, net | (49,103) | (21,302) | 14,918
Other receivables | (10,222) | 4,101 | 11,704
Inventory | (15,518) | (10,887) | (6,877)
Prepaid expenses and other assets | (4,830) | (7,108) | (5,070)
Accounts payable | (17,742) | 26,722 | (5,826)
Accrued expenses and other liabilities | (5,455) | 8,792 | (10,289)
Income taxes payable | 3,858 | (3,162) | (11,590)
Net cash provided by (used in) operating activities | (42,379) | 42,002 | 18,550
Cash flows from investing activities |  |  |
Purchases of property, plant and equipment | (14,720) | (21,441) | (11,753)
Proceeds from disposals of property, plant and equipment | 151 |  | 183
Proceeds from sales and maturities of available-for-sale investments | 173,752 | 225,075 | 280,435
Purchases of available-for-sale investments | (93,141) | (209,172) | (188,921)
Acquisition of business |  | (943) |
Net cash provided by (used in) investing activities | 66,042 | (6,481) | 79,944
Cash flows from financing activities |  |  |
Proceeds from stock option exercises | 13,412 | 4,717 | 961
Purchases of treasury stock | (17,348) | (25,817) | (66,160)
Dividend payments | (17,368) | (17,583) | (18,449)
Payments on long-term debt | (1,100) | (1,100) | (1,100)
Net cash used in financing activities | (22,404) | (39,783) | (84,748)
Net increase (decrease) in cash and cash equivalents | 1,259 | (4,262) | 13,746
Effect of exchange rate changes | 5,279 | (393) | (2,635)
Cash and cash equivalents, beginning of year | 79,895 | 84,550 | 73,439
Cash and cash equivalents, end of year | 86,433 | 79,895 | 84,550
Supplemental disclosure of cash flow information |  |  |
Cash paid during the year for interest | 555 | 575 | 598
Cash paid during the year for income taxes | 2,988 | 18,689 | 20,139
Supplemental disclosure of non-cash investing activities |  |  |
Purchases of property, plant and equipment included in accounts payable | $ 408 | $ 2,103 | $ 598

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- Definition Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity. + 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=98514028&loc=d3e3291-108585 + Details
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- Definition The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity. + 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 (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + 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=98514028&loc=d3e3213-108585 + 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 -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the sale or maturity (principal being due) of securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities. + 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 (a),(b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562 + Details
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- Definition The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. + 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 (c) -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 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=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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- References No definition available. + Details
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