Consolidated Statements of Cash Flows - USD ($)
$ in Thousands |
6 Months Ended |
Jun. 30, 2018 |
Jun. 30, 2017 |
| Cash flows from operating activities |
|
|
| Net income (loss) |
$ (18,742)
|
$ 35,679
|
| Adjustments to reconcile net income to net cash used in operating activities |
|
|
| Depreciation and amortization |
15,970
|
13,531
|
| Provision for severance benefits |
9,165
|
10,776
|
| Amortization of debt issuance costs and original issue discount |
1,073
|
950
|
| Loss (gain) on foreign currency, net |
32,369
|
(35,813)
|
| Restructuring and other gain |
|
(17,010)
|
| Stock-based compensation |
2,810
|
1,179
|
| Other |
1,053
|
220
|
| Changes in operating assets and liabilities |
|
|
| Accounts receivable, net |
5,305
|
(9,730)
|
| Unbilled accounts receivable |
887
|
|
| Inventories, net |
(16,797)
|
2,646
|
| Other receivables |
(4,508)
|
2,598
|
| Other current assets |
2,253
|
1,135
|
| Accounts payable |
(4,473)
|
(1,919)
|
| Other accounts payable |
(5,229)
|
(7,790)
|
| Accrued expenses |
(1,435)
|
(10,776)
|
| Deferred revenue |
5,413
|
(265)
|
| Other current liabilities |
760
|
(436)
|
| Other non-current liabilities |
1,116
|
(268)
|
| Payment of severance benefits |
(5,754)
|
(18,082)
|
| Other |
516
|
(107)
|
| Net cash provided by (used in) operating activities |
21,752
|
(33,482)
|
| Cash flows from investing activities |
|
|
| Proceeds from settlement of hedge collateral |
4,863
|
6,781
|
| Payment of hedge collateral |
(7,490)
|
(10,036)
|
| Proceeds from disposal of plant, property and equipment |
13
|
1,125
|
| Purchase of plant, property and equipment |
(11,432)
|
(10,807)
|
| Payment for property related to water treatment facility arrangement |
(4,283)
|
|
| Payment for intellectual property registration |
(574)
|
(566)
|
| Collection of guarantee deposits |
659
|
1,400
|
| Payment of guarantee deposits |
|
(41)
|
| Other |
(38)
|
22
|
| Net cash used in investing activities |
(18,282)
|
(12,122)
|
| Cash flows from financing activities |
|
|
| Proceeds from issuance of senior notes |
|
86,250
|
| Payment of debt issuance costs |
|
(5,902)
|
| Proceeds from exercise of stock options |
435
|
2,525
|
| Acquisition of treasury stock |
|
(11,401)
|
| Proceeds from property related to water treatment facility arrangement |
4,283
|
|
| Net cash provided by financing activities |
4,718
|
71,472
|
| Effect of exchange rates on cash, cash equivalents and restricted cash |
(5,081)
|
4,049
|
| Net increase in cash, cash equivalents and restricted cash |
3,107
|
29,917
|
| Cash, cash equivalents and restricted cash |
|
|
| Beginning of the period |
128,575
|
101,606
|
| End of the period |
131,682
|
131,523
|
| Supplemental cash flow information |
|
|
| Cash paid for interest |
9,609
|
7,980
|
| Cash paid for income taxes |
668
|
790
|
| Non-cash investing and financing activities |
|
|
| Property, plant and equipment additions in other accounts payable |
2,582
|
$ 2,092
|
| Acquisition of treasury stock to satisfy the tax withholding obligations in connection with equity- based compensation |
$ (199)
|
|