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Distribution of Tax Charge by Geographical Area (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Income Taxes [Line Items] |  |  |
Tax Charge | $ 18,053 | $ 11,801 | $ 6,115
Ireland |  |  |
Income Taxes [Line Items] |  |  |
Tax Charge | 11,073 | 1,216 | (3,475)
Rest Of Europe |  |  |
Income Taxes [Line Items] |  |  |
Tax Charge | (7) | 3,298 | 657
United States |  |  |
Income Taxes [Line Items] |  |  |
Tax Charge | 5,072 | 3,669 | 4,656
Other |  |  |
Income Taxes [Line Items] |  |  |
Tax Charge | $ 1,915 | $ 3,618 | $ 4,277

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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 + Details
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