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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
OPERATING ACTIVITIES |  |  |  |
Net income/(loss) | $ (2,120) | $ 11,177 | $ 10,119 | $ 21,870
Adjustments to reconcile net income/(loss) to net cash provided by operating activities: |  |  |  |
Depreciation | 13,373 | 14,276 | 26,897 | 28,383
Amortization | 1,811 | 1,821 | 3,641 | 3,622
Change in long-term liabilities, deferred taxes and other credits | (5,920) | 2,946 | (6,197) | 2,732
Provision for write-off of property, plant and equipment | $ 263 | 728 | 415 | 729
Gain on disposition or involuntary conversion of assets |  | (961) | (1,056) | (961)
Excess tax benefit of options exercised | $ (342) | (106) | (603) | (145)
Compensation and benefits paid or payable in Class A Common Stock | 419 | 405 | 995 | 947
Changes in operating assets and liabilities that provide/(use) cash: |  |  |  |
Accounts receivable | 4,212 | 3,333 | (9,487) | 14,297
Inventories | (4,061) | (1,963) | (7,131) | (10,959)
Prepaid expenses and other current assets | 1,715 | 1,762 | (990) | (386)
Income taxes prepaid and receivable | (158) | (7) | (74) | 14
Accounts payable | (4,853) | 555 | (1,341) | (739)
Accrued liabilities | (933) | 170 | (2,520) | (12,679)
Income taxes payable | 475 | 651 | 77 | (1,059)
Other, net | 7,062 | (2,098) | 4,607 | (4,129)
Net cash provided by operating activities | 10,943 | 32,689 | 17,352 | 41,537
INVESTING ACTIVITIES |  |  |  |
Purchases of property, plant and equipment | (18,455) | (12,799) | (30,666) | (27,402)
Purchased software | $ (304) | (21) | (337) | (315)
Proceeds from sale or involuntary conversion of assets |  | 961 | 2,797 | 961
Net cash used in investing activities | $ (18,759) | (11,859) | (28,206) | (26,756)
FINANCING ACTIVITIES |  |  |  |
Proceeds from borrowings | 24,346 | 235 | 39,620 | 4,670
Principal payments on debt | (4,303) | $ (17,593) | (9,746) | $ (24,109)
Debt acquisition costs | (1,630) |  | (1,630) |
Proceeds from options exercised | 1,039 | $ 261 | 1,724 | $ 387
Excess tax benefit of options exercised | 342 | 106 | 603 | 145
Dividends paid | (5,107) | (4,774) | (10,205) | (9,539)
Net cash provided by/(used in) financing activities | 14,687 | (21,765) | 20,366 | (28,446)
Effect of exchange rate changes on cash and cash equivalents | 4,765 | (608) | (6,840) | (2,165)
Increase/(decrease) in cash and cash equivalents | 11,636 | (1,543) | 2,672 | (15,830)
Cash and cash equivalents at beginning of period | 170,838 | 208,379 | 179,802 | 222,666
Cash and cash equivalents at end of period | $ 182,474 | $ 206,836 | $ 182,474 | $ 206,836

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