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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Cash flows from operating activities: |  |
Net income | $ 33,830 | $ 25,554
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization of fixed and intangible assets | 11,183 | 9,915
Amortization of other long term assets | 2,976 | 2,061
Amortization of discounted liabilities | 130 | 592
Stock-based compensation | 2,895 | 1,856
Tax benefit from exercise of stock options | (57) | (493)
Loss from equity method investment | 386 |
Changes in assets and liabilities associated with operations: |  |
Increase in net receivables | (34,304) | (36,515)
Increase in inventories | (39,221) | (21,747)
Increase in prepaid expenses and other assets | (14,564) | (8,862)
(Increase) decrease in income tax receivable/payable, net | (520) | 644
Increase in accounts payable | 412 | 8,743
Decrease in deferred revenue | (20,034) | (6,270)
Increase in other liabilities | 64,088 | 37,623
Net cash provided by operating activities | 7,200 | 13,101
Cash flows from investing activities: |  |
Capital expenditures | (12,290) | (14,908)
Investment | (3,687) |
Net cash used in investing activities | (15,977) | (14,908)
Cash flows from financing activities: |  |
Net borrowings under line of credit agreement | 38,750 |
Payments on long-term debt | (46,000) | (6,000)
Payments on other long-term liabilities | (1,415) |
Tax benefit from exercise of stock options | 57 | 493
Decrease in other notes payable | (6,154) | (6,460)
Payment of cash dividends | (3,390) | (1,380)
Proceeds from the issuance of common stock (sale of stock under ESPP and exercise of stock options) | 929 | 3,260
Net cash used in financing activities | (17,223) | (10,087)
Net decrease in cash | (26,000) | (11,894)
Cash and cash equivalents at beginning of year | 38,476 | 35,085
Effect of exchange rate changes on cash | (151) | 433
Cash and cash equivalents as of September 30 | $ 12,325 | $ 23,624

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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=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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