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SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS - INVENTORY RESERVE (Detail) - Inventory Valuation Reserve - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | $ 35,608 | $ 36,358 | $ 36,516
Additions Charged to Income | 20,025 | 10,520 | 14,279
Inventory Write-offs | (20,386) | (12,703) | (13,008)
Translation and Other | (373) | 1,433 | (1,429)
Balance at End of Year | 34,874 | 35,608 | 36,358
Raw material |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 6,093 | 6,555 | 7,577
Additions Charged to Income | 4,028 | 1,552 | 1,446
Inventory Write-offs | (1,899) | (2,317) | (1,645)
Translation and Other | 348 | 303 | (823)
Balance at End of Year | 8,570 | 6,093 | 6,555
Work-in-process |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 3,089 | 2,853 | 3,139
Additions Charged to Income | 702 | 306 | (76)
Inventory Write-offs | (1,097) | (127) | (213)
Translation and Other | 60 | 57 | 3
Balance at End of Year | 2,754 | 3,089 | 2,853
Finished goods |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 26,426 | 26,950 | 25,800
Additions Charged to Income | 15,295 | 8,662 | 12,909
Inventory Write-offs | (17,390) | (10,259) | (11,150)
Translation and Other | (781) | 1,073 | (609)
Balance at End of Year | $ 23,550 | $ 26,426 | $ 26,950

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount of decrease in valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -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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