| Dec'19 | Dec'18 | Dec'17 | Dec'16 | Dec'15 | Dec'14 | Dec'13 | Dec'12 | Dec'11 | Dec'10 | Dec'09 |
|---|---|---|---|---|---|---|---|---|---|---|
Cash flows from operating activities: | ||||||||||
Net (loss) income | ||||||||||
50,660 | 20,846 | 11,451 | 25,740 | 32,158 | 42,131 | 20,212 | 24,664 | 39,979 | 46,427 | -12,355 |
Adjustments to reconcile net income to net cash provided by (used in) operating activities: | ||||||||||
Depreciation, depletion, and amortization | ||||||||||
41,116 | 35,524 | 42,751 | 45,651 | 37,817 | 42,721 | 41,649 | 37,046 | 43,635 | 35,394 | 31,939 |
Amortization of deferred financing costs in interest expense | ||||||||||
1,000 | 1,000 | 900 | 666 | 654 | 795 | 679 | 649 | 559 | 538 | 430 |
Stock-based compensation expense (non-cash) | ||||||||||
7,170 | 5,313 | 4,957 | 3,174 | 5,491 | 4,815 | 4,964 | 5,889 | 5,000 | 4,100 | 3,484 |
Amortization of pension and post-retirement costs | ||||||||||
386 | 5,551 | 4,865 | 4,060 | - | - | - | - | - | - | - |
Loss (gain) on sale of property, plant, and equipment | ||||||||||
-344 | -518 | -234 | 648 | -768 | 2,435 | - | - | - | - | - |
Derivative financial instruments ineffectiveness | ||||||||||
- | - | - | - | - | - | - | - | - | -598 | -4,892 |
Pension settlement charges | ||||||||||
- | - | - | -120 | - | - | - | - | - | - | - |
Deferred income tax expense (benefit) | ||||||||||
2,584 | -1,318 | 20,256 | -9,010 | 4,368 | -5,274 | -2,170 | -2,462 | -1,668 | 13,623 | -10,065 |
Asset Impairment Charges | ||||||||||
14,100 | 0 | 0 | - | - | - | - | - | - | - | - |
Net pension curtailments and settlements | ||||||||||
-3,300 | -41,406 | 0 | - | - | - | - | - | - | - | - |
Changes in assets and liabilities: | ||||||||||
Decrease (increase) in accounts receivable | ||||||||||
23,933 | 7,219 | 18,484 | 4,096 | -14,777 | 2,066 | -12,116 | 4,716 | -26,818 | 50,386 | -10,045 |
Decrease (increase) in other receivables | ||||||||||
- | - | - | - | - | - | - | - | 630 | -7,084 | 7,678 |
Decrease (increase) in inventory | ||||||||||
-24,031 | -4,234 | 9,462 | -10,791 | -19,372 | 30,412 | 8,241 | 18,880 | 30,016 | 23,112 | -34,162 |
Decrease (increase) in prepaid and other current assets | ||||||||||
-1,418 | -1,162 | 11,606 | -658 | -2,139 | 191 | -6,647 | -483 | 7,571 | 3,566 | 4,606 |
Increase (decrease) in accounts payable and accrued expenses | ||||||||||
-18,575 | 8,820 | 34,433 | 2,758 | -17,989 | 6,164 | -7,739 | 1,472 | -2,580 | 7,002 | -754 |
Increase (Decrease) in Deferred Revenue | ||||||||||
-2,538 | 477 | 4,336 | -2,590 | -1,184 | 4,401 | -1,064 | -1,491 | 661 | 1,938 | 319 |
Increase (decrease) in interest and taxes payable | ||||||||||
-805 | 435 | -514 | 2,511 | -910 | 1,161 | 2,391 | -2,324 | -5,891 | 2,048 | 5,456 |
Domestic pension plan contributions | ||||||||||
-4,500 | -42,000 | -16,000 | -16,000 | -8,923 | -7,348 | 6,879 | -5,053 | -15,993 | -8,736 | -16,422 |
Other-net | ||||||||||
3,433 | 1,616 | -341 | 4,395 | 2,472 | 5,819 | -401 | 3,343 | 4,503 | -1,911 | 2,796 |
Net cash used in operating activities | ||||||||||
99,222 | 76,374 | 67,795 | 68,180 | 91,010 | 60,281 | 75,922 | 38,620 | 56,806 | 31,041 | 41,643 |
Cash flows from investing activities: | ||||||||||
Payments for purchase of property, plant, and equipment | ||||||||||
24,251 | 27,702 | 27,516 | 27,177 | 29,505 | 29,312 | 27,848 | 34,088 | 28,187 | 42,314 | 44,173 |
Payments for mine development | ||||||||||
2,277 | 6,558 | 1,560 | 9,861 | 22,585 | 1,247 | 4,776 | 10,573 | 560 | 11,348 | 808 |
Reimbursement for capital spending under government contract | ||||||||||
- | - | - | - | - | - | - | 991 | 5,386 | 21,944 | 28,200 |
Payments for acquisition | ||||||||||
0 | 0 | 16,504 | 1,750 | 0 | 0 | - | 3,894 | 22,448 | 20,605 | 54,107 |
Proceeds from transfer of acquired inventory to consignment line | ||||||||||
- | - | - | - | - | - | - | - | - | 5,667 | - |
Proceeds from sale of property, plant, and equipment | ||||||||||
44 | 432 | 2,222 | 1,433 | 58 | 3,090 | 22 | 0 | 54 | 77 | 3 |
Payments for acquisitions | ||||||||||
- | - | - | - | - | 2 | -15 | -4,201 | 4,274 | -60 | -75 |
Net cash used in investing activities | ||||||||||
-26,484 | -33,828 | -43,358 | -37,355 | -52,032 | -27,471 | -32,587 | -43,363 | -50,029 | -46,519 | -70,810 |
Cash flows from financing activities: | ||||||||||
Repayment of short-term debt | ||||||||||
- | - | - | -8,305 | -653 | -6,291 | -13,692 | 8,594 | -6,950 | -8,406 | 25,778 |
Proceeds from issuance of long-term debt | ||||||||||
0 | 0 | 55,000 | 10,000 | 78,000 | 33,332 | 70,423 | 32,403 | 118,582 | 80,000 | 25,700 |
Repayment of long-term debt | ||||||||||
823 | 777 | 55,797 | 10,694 | 88,000 | 38,945 | 86,036 | 27,986 | 116,425 | 50,000 | 28,600 |
Principal payments under finance lease obligations | ||||||||||
1,200 | 861 | 843 | 736 | 759 | 666 | 657 | 749 | 812 | 779 | 185 |
Cash dividends paid | ||||||||||
8,856 | 8,389 | 7,913 | 7,496 | 7,132 | 6,865 | 6,497 | 4,615 | 0 | 0 | - |
Deferred financing costs | ||||||||||
2,130 | 0 | 300 | 1,000 | 838 | 0 | 1,587 | 0 | 2,637 | 220 | 126 |
Repurchase of common stock | ||||||||||
199 | 422 | 1,086 | 3,798 | 7,129 | 22,282 | 0 | 119 | 3,776 | 3,527 | - |
Payments of withholding taxes for stock-based compensation awards | ||||||||||
4,846 | 3,156 | 4,506 | 1,089 | 366 | - | - | - | - | - | - |
Issuance of common stock under stock option plans | ||||||||||
- | - | - | - | - | 359 | 1,163 | 158 | 735 | 2,631 | 497 |
Tax (expense) benefit from stock compensation realization | ||||||||||
- | - | - | - | - | 477 | 711 | 817 | 658 | 121 | 53 |
Net cash used in financing activities | ||||||||||
-18,054 | -13,605 | -15,445 | -23,118 | -26,877 | -40,881 | -36,172 | 8,503 | -10,625 | 19,820 | 23,117 |
Effects of exchange rate changes | ||||||||||
-322 | -140 | 1,388 | -479 | -1,015 | -1,553 | -445 | 41 | -1 | -491 | -243 |
Net change in cash and cash equivalents | ||||||||||
54,362 | 28,801 | 10,380 | 7,228 | 11,086 | -9,624 | 6,718 | 3,801 | -3,849 | 3,851 | -6,293 |