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Components of Accumulated Other Comprehensive Loss, Net (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012 | Dec. 31, 2012
Accumulated translation adjustment: |  |  |  |  |
Balance at beginning of period | $ (3,194) | $ (5,674) | $ (2,804) | $ (5,881) |
Translation gain (loss) during period | 200 | 1,246 | (190) | 1,453 |
Balance at end of period | (2,994) | (4,428) | (2,994) | (4,428) |
Accumulated deferred losses on cash flow hedges: |  |  |  |  |
Balance at beginning of period | (28) |  | (272) |  |
Derivative fair value adjustment, net of taxes of $32 and $172 for the three months ended September 30, 2013 and 2012, respectively, and $131 and $172 for the nine months ended September 30, 2013 and 2012, respectively | (48) | (258) | 196 | (258) |
Balance at end of period | (76) | (258) | (76) | (258) |
Accumulated effect of retirement benefit obligations: |  |  |  |  |
Balance at beginning of period | (1,134) | (688) | (1,160) |  |
Net loss arising from retirement benefit obligations, net of taxes of $474 for the nine months ended September 30, 2012 |  |  |  | (711) |
Amounts reclassified from accumulated other comprehensive loss: |  |  |  |  |
Amortization of actuarial losses, net of taxes of $8 and $27 for the three and nine months ended September 30, 2013, respectively | 14 | 11 | 40 | 34 |
Balance at end of period | (1,120) | (677) | (1,120) | (677) |
Total accumulated other comprehensive loss at end of period | $ (4,190) | $ (5,363) | $ (4,190) | $ (5,363) | $ (4,236)

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- Definition Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses. + References Reference 1: 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=28358780&loc=SL7669686-108580 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=28358780&loc=d3e681-108580 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28358780&loc=SL7669646-108580 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32022-110900 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 + Details
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