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 | $ 67,017 | $ 33,839 | $ 47,605
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 15,684 | 16,811 | 16,063
Deferred income taxes | (12,974) | (1,262) | 16,315
Excess tax benefits of options exercised | 0 | (60) | (40)
Stock-based compensation attributable to equity awards | 955 | 791 | 658
Other | (587) | 1,294 | (190)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (44,030) | 1,210 | 20,843
Inventories | 909 | 1,980 | (17,003)
Trade accounts payable and accrued liabilities | 25,004 | (7,778) | (5,715)
Other assets and liabilities | 58 | 12 | (2,415)
Income taxes payable | (4,023) | 11,723 | (5,353)
Net cash provided by operating activities | 48,013 | 58,560 | 70,768
Investing Activities |  |  |
Purchases of property, plant and equipment | (21,754) | (45,374) | (43,711)
Proceeds from sale of assets | 1,064 | 3,792 | 242
Net cash used in investing activities | (20,690) | (41,582) | (43,469)
Financing Activities |  |  |
Deferred financing fees | (1) | (197) | 0
Purchase of treasury stock | 0 | 0 | (2,922)
Proceeds from issuance of common stock, net | 1,948 | 1,416 | 1,728
Dividends paid | (1,661) | (1,656) | (1,657)
Excess tax benefits of options exercised | 0 | 60 | 40
Net cash provided by (used in) financing activities | 286 | (377) | (2,811)
Net increase in cash and cash equivalents | 27,609 | 16,601 | 24,488
Cash and cash equivalents at beginning of year | 95,753 | 79,152 | 54,664
Cash and cash equivalents at end of year | $ 123,362 | $ 95,753 | $ 79,152

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