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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | 12 Months Ended
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Dec. 31, 2017
Valuation and Qualifying Accounts [Abstract] |
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS | SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS (Dollars in thousands) ALLOWANCE FOR DOUBTFUL ACCOUNTS
| Balance at Beginning of Year |  | Additions Charged to Income |  | Accounts Receivable Write-offs |  | Translation and Other |  | Balance at End of Year
December 31, 2017 | $ | 8,636 |  |  | $ | 1,949 |  |  | $ | (596 | ) |  | $ | 266 |  |  | $ | 10,255 |
December 31, 2016 | $ | 8,026 |  |  | $ | 2,156 |  |  | $ | (862 | ) |  | $ | (684 | ) |  | $ | 8,636 |
December 31, 2015 | $ | 8,783 |  |  | $ | 1,618 |  |  | $ | (1,387 | ) |  | $ | (988 | ) |  | $ | 8,026 |
INVENTORY RESERVE
| Balance at Beginning of Year |  | Additions Charged to Income |  | Inventory Write-offs |  | Translation and Other |  | Balance at End of Year
December 31, 2017 |  |  |  |  |  |  |  |  |
Raw material | $ | 6,555 |  |  | $ | 1,552 |  |  | $ | (2,317 | ) |  | $ | 303 |  |  | $ | 6,093 |
Work-in-process | 2,853 |  |  | 306 |  |  | (127 | ) |  | 57 |  |  | 3,089 |
Finished goods | 26,950 |  |  | 8,662 |  |  | (10,259 | ) |  | 1,073 |  |  | 26,426 |
| $ | 36,358 |  |  | $ | 10,520 |  |  | $ | (12,703 | ) |  | $ | 1,433 |  |  | $ | 35,608 |
December 31, 2016 |  |  |  |  |  |  |  |  |
Raw material | $ | 7,577 |  |  | $ | 1,446 |  |  | $ | (1,645 | ) |  | $ | (823 | ) |  | $ | 6,555 |
Work-in-process | 3,139 |  |  | (76 | ) |  | (213 | ) |  | 3 |  |  | 2,853 |
Finished goods | 25,800 |  |  | 12,909 |  |  | (11,150 | ) |  | (609 | ) |  | 26,950 |
| $ | 36,516 |  |  | $ | 14,279 |  |  | $ | (13,008 | ) |  | $ | (1,429 | ) |  | $ | 36,358 |
December 31, 2015 |  |  |  |  |  |  |  |  |
Raw material | $ | 6,891 |  |  | $ | 4,102 |  |  | $ | (1,611 | ) |  | $ | (1,805 | ) |  | $ | 7,577 |
Work-in-process | 509 |  |  | 579 |  |  | (554 | ) |  | 2,605 |  |  | 3,139 |
Finished goods | 26,474 |  |  | 15,060 |  |  | (13,653 | ) |  | (2,081 | ) |  | 25,800 |
| $ | 33,874 |  |  | $ | 19,741 |  |  | $ | (15,818 | ) |  | $ | (1,281 | ) |  | $ | 36,516 |
DEFERRED TAX ASSET VALUATION ALLOWANCE
| Balance at Beginning of Year |  | Additions Charged to Expense |  | Reductions Credited to Expense |  | Translation and Other |  | Balance at End of Year
December 31, 2017 | $ | 104,520 |  |  | $ | 4,657 |  |  | $ | (5,745 | ) |  | $ | 1,367 |  |  | $ | 104,799 |
December 31, 2016 | $ | 103,475 |  |  | $ | 2,046 |  |  | $ | (725 | ) |  | $ | (276 | ) |  | $ | 104,520 |
December 31, 2015 | $ | 99,141 |  |  | $ | 5,681 |  |  | $ | (190 | ) |  | $ | (1,157 | ) |  | $ | 103,475 |

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- Definition The entire disclosure for any allowance and reserve accounts (their beginning and ending balances, as well as a reconciliation by type of activity during the period). Alternatively, disclosure of the required information may be within the footnotes to the financial statements or a supplemental schedule to the financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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- References No definition available. + Details
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