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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Operating Activities |  |  |
Net income | $ 28,903 | $ 32,687 | $ 21,117
Adjustments to reconcile net income to cash provided by operating activities: |  |  |
Provision for doubtful accounts | 253 | 992 | 1,112
Depreciation | 9,948 | 10,418 | 10,558
Amortization of intangibles | 0 | 0 | 342
Amortization of debt issuance | 126 | 188 | 375
Gain on bargain purchase | 0 | (8,616) | 0
Goodwill impairment | 656 | 1,898 | 0
Stock-based compensation | 940 | 985 | 674
Excess tax benefits from stock-based payment arrangements | 102 | (63) | 0
Provision for deferred income tax expense (benefit) | (405) | 850 | (6,384)
Gain (Loss) on sale of equipment | 155 | (263) | (833)
Changes in operating assets and liabilities, net of effect of acquisitions: |  |  |
Accounts receivable | 4,770 | (15,152) | (16,615)
Inventories | 6,932 | (8,680) | 24,603
Prepaid expenses and other | (2,376) | (72) | (1,061)
Trade accounts payable and accrued liabilities | 960 | (4,162) | 9,133
Income taxes payable | 2,338 | 397 | (268)
Other assets and liabilities, net | (2,039) | (740) | (876)
Net cash provided by operating activities | 51,263 | 10,667 | 41,877
Investing Activities |  |  |
Acquisitions, net of cash acquired | 0 | (6,536) | 0
Purchase of property, plant and equipment | (4,654) | (5,766) | (4,980)
Proceeds from sale of property, plant and equipment | 564 | 440 | 2,014
Net cash used in investing activities | (4,090) | (11,862) | (2,966)
Financing Activities |  |  |
Net change in bank revolving credit facility | (7,000) | (14,000) | (20,000)
Principal payments on long-term debt and capital leases | (2,117) | (2,570) | (4,545)
Proceeds from issuance of long-term debt | 0 | 0 | 368
Dividends paid | (2,854) | (2,845) | (2,826)
Proceeds from sale of common stock | 2,131 | 281 | 990
Excess tax benefits from stock-based payment arrangements | (102) | 63 | 0
Net cash provided by (used in) financing activities | (9,942) | (19,071) | (26,013)
Effect of exchange rate changes on cash | 772 | 311 | (429)
Net change in cash and cash equivalents | 38,003 | (19,955) | 12,469
Cash and cash equivalents at beginning of the year | 10,288 | 30,243 | 17,774
Cash and cash equivalents at end of the year | 48,291 | 10,288 | 30,243
Cash paid during the year for: |  |  |
Interest | 1,837 | 2,295 | 3,597
Income taxes | $ 13,533 | $ 15,247 | $ 12,999

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