v3.4.0.3

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Operating activities: |  |
Net (loss) earnings | $ (8,932) | $ 10,363
Adjustments to reconcile net earnings to net cash provided by operating activities: |  |
Depreciation and amortization | 16,973 | 18,151
Deferred income taxes | 955 | 6,279
Loss (gain) on asset dispositions | 359 | (7)
Equity in loss of unconsolidated affiliate |  | 68
Inventory valuation reserves | 2,435 | 562
Changes in operating assets and liabilities | (28,133) | (5,498)
Net cash (used in) provided by operating activities | (16,343) | 29,918
Investing activities: |  |
Purchase of property and equipment | (8,519) | (22,115)
Proceeds from asset dispositions | 850 |
Purchase of short-term investments | (77,677) | (190,243)
Proceeds from sale of short-term investments | 76,184 | 185,426
Payment of deposits on aircraft | (66) | (66)
Net cash used in investing activities | (9,228) | (26,998)
Financing activities: |  |
Proceeds from line of credit | 83,500 | 77,740
Payments on line of credit | (53,300) | (81,100)
Repurchase of common stock | (500) | (2,207)
Net cash provided by (used in) financing activities | 29,700 | (5,567)
Increase (decrease) in cash | 4,129 | (2,647)
Cash, beginning of period | 2,407 | 6,270
Cash, end of period | 6,536 | 3,623
Cash paid during the period for: |  |
Interest | 13,691 | 13,453
Income taxes |  | 3,061
Noncash investing activities: |  |
Other current liabilities and accrued payables related to purchase of property and equipment | $ 29,302 | $ 28,994

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