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Components of Accumulated Other Comprehensive Loss, Net (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Balance at beginning of year |  | $ 199,468 |  | $ 188,233 |  | $ 180,905
Balance at end of year |  | 197,728 |  | 199,468 |  | 188,233
Accumulated translation adjustment: |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Balance at beginning of year |  | (12,961) |  | (7,680) |  | (2,944)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  | (23,061) |  | (5,281) |  | (4,736)
Amounts reclassified from accumulated other comprehensive loss | [1] | 378 |  |  |  |
Balance at end of year |  | (35,644) |  | (12,961) |  | (7,680)
Accumulated effect of retirement benefit obligations: |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Balance at beginning of year |  | (1,204) |  | (2,224) |  | (745)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  | (202) |  | 941 |  | (1,507)
Amounts reclassified from accumulated other comprehensive loss | [2] | 54 |  | 79 |  | 28
Balance at end of year |  | (1,352) |  | (1,204) |  | (2,224)
Accumulated deferred gains (losses) on cash flow hedges: |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |  |  |
Balance at beginning of year |  | (20) | [3] | (18) | [3] | (31)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax |  | 17 |  | (2) |  | 13
Balance at end of year | [3] | $ (3) |  | $ (20) |  | $ (18)
[1] | Amount is recorded in equity in earnings (losses) on the consolidated statements of operations.
[2] | Amount is recorded in selling, general and administrative expenses on the consolidated statements of operations.
[3] | No amounts were reclassified out of accumulated other comprehensive loss. Amounts reclassified would be recorded in interest expense on the consolidated statements of operations.

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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=66004921&loc=d3e1436-108581 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=66004124&loc=SL7669686-108580 + Details
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