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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
Operating Activities |  |  |
Net income | $ 54,498 | $ 53,376 | $ 45,728
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation | 15,007 | 13,035 | 11,741
Amortization of bond premiums | 47 | 249 | 266
Allowance for Doubtful Accounts Receivable, Period Increase (Decrease) | 179 | (25) | (48)
Provision for excess and obsolete inventories | 264 | 625 | 178
Share-based compensation | 6,458 | 4,357 | 2,891
Loss (gain) on disposition of assets | 45 | (20) | (59)
Foreign currency transaction (gain) loss | (59) | (22) | 139
Interest income on note receivable | (25) | (28) | (30)
Deferred income taxes | (1,554) | 825 | 1,172
Changes in assets and liabilities: |  |  |
Accounts receivable | (7,516) | 7,048 | (5,884)
Income tax receivable | 4,596 | (1,537) | 312
Inventories | (23,698) | (9,478) | (1,059)
Prepaid expenses and other | 98 | (83) | 76
Accounts payable | 3,043 | 654 | (5,109)
Deferred revenue | 258 | 417 | 189
Accrued liabilities and donations | 6,353 | (5,470) | 4,852
Net cash provided by operating activities | 57,994 | 63,923 | 55,355
Investing Activities |  |  |
Capital expenditures | (41,713) | (26,604) | (20,967)
Proceeds from sale of property, plant and equipment | 10 | 28 | 63
Investment in certificates of deposits | (5,280) | (4,112) | (6,680)
Maturities of certificates of deposits | 7,912 | 10,560 | 6,098
Purchase of investments held to maturity | (13,241) | (10,384) | (14,183)
Maturities of investments | 19,700 | 10,021 | 11,408
Proceeds from called investments | 1,500 | 3,514 | 1,013
Principal payments from note receivable | 60 | 52 | 54
Net cash used in investing activities | (31,052) | (16,925) | (23,194)
Financing Activities |  |  |
Borrowings under revolving credit facility | 0 | 761 | 0
Payments under revolving credit facility | 0 | (761) | 0
Stock options exercised | 2,259 | 2,063 | 2,795
Repurchase of stock | (16,620) | (19,317) | (36,558)
Employee taxes paid by withholding shares | (1,614) | (823) | (585)
Cash dividends paid to stockholders | (13,663) | (12,676) | (11,857)
Net cash used in financing activities | (29,638) | (30,753) | (46,205)
Net increase (decrease) in cash and cash equivalents | (2,696) | 16,245 | (14,044)
Cash and cash equivalents, beginning of year | 24,153 | 7,908 | 21,952
Cash and cash equivalents, end of year | $ 21,457 | $ 24,153 | $ 7,908

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- Definition The cash inflow associated with principal collections from a borrowing supported by a written promise to pay an obligation. + 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) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + 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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- Definition The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity. + References Reference 1: 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + Details
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- Definition The cash inflow associated with the sale and maturity (principal being due) of other investments, prepayment and call (request of early payment) of other investments not otherwise defined in the taxonomy. + 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 The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth 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 12 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585 + 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 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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- 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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