Consolidated Statements of Cash Flows - USD ($) $ in Thousands |
6 Months Ended |
Jun. 30, 2017 |
Jun. 30, 2016 |
| Cash flows from operating activities |
|
|
| Net income (loss) |
$ 35,679
|
$ (9,691)
|
| Adjustments to reconcile net income (loss) to net cash used in operating activities |
|
|
| Depreciation and amortization |
13,531
|
12,252
|
| Provision for severance benefits |
10,776
|
9,827
|
| Amortization of debt issuance costs and original issue discount |
950
|
347
|
| Gain on foreign currency, net |
(35,813)
|
(1,140)
|
| Restructuring gain and other |
(17,010)
|
(7,785)
|
| Stock-based compensation |
1,179
|
1,504
|
| Other |
220
|
164
|
| Changes in operating assets and liabilities |
|
|
| Accounts receivable, net |
(9,730)
|
8,505
|
| Inventories, net |
2,646
|
(11,946)
|
| Other receivables |
4,361
|
(3,635)
|
| Other current assets |
1,135
|
2,160
|
| Accounts payable |
(1,919)
|
7,779
|
| Other accounts payable |
(7,790)
|
(5,156)
|
| Accrued expenses |
(10,776)
|
1,913
|
| Deferred revenue |
(265)
|
1,477
|
| Other current liabilities |
(436)
|
(1,364)
|
| Other non-current liabilities |
(268)
|
(661)
|
| Payment of severance benefits |
(18,082)
|
(13,102)
|
| Other |
(61)
|
(137)
|
| Net cash used in operating activities |
(31,673)
|
(8,689)
|
| Cash flows from investing activities |
|
|
| Proceeds from disposal of plant, property and equipment |
18,750
|
|
| Purchase of plant, property and equipment |
(10,807)
|
(5,834)
|
| Payment for intellectual property registration |
(566)
|
(478)
|
| Collection of guarantee deposits |
1,400
|
383
|
| Proceeds from settlement of hedge collateral |
6,781
|
5,917
|
| Payment of hedge collateral |
(10,036)
|
|
| Payment of guarantee deposits |
(41)
|
(11)
|
| Other |
22
|
11
|
| Net cash provided by (used in) investing activities |
5,503
|
(12)
|
| 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 |
2,525
|
|
| Acquisition of treasury stock |
(11,401)
|
|
| Net cash provided by financing activities |
71,472
|
|
| Effect of exchange rates on cash and cash equivalents |
2,866
|
1,733
|
| Net increase (decrease) in cash and cash equivalents |
48,168
|
(6,968)
|
| Cash and cash equivalents |
|
|
| Beginning of the period |
83,355
|
90,882
|
| End of the period |
131,523
|
83,914
|
| Supplemental cash flow information |
|
|
| Cash paid for interest |
7,980
|
7,453
|
| Cash paid for income taxes |
790
|
469
|
| Non-cash operating activities |
|
|
| Insurance proceeds in restricted cash reclassified from other receivables |
|
(29,571)
|
| Non-cash investing activities |
|
|
| Property, plant and equipment additions in other accounts payable |
$ 2,092
|
$ 993
|