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Income Taxes Narratives (Details) - Orbitz - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013
Entity Information [Line Items] |  |  |  |  |  |
Provision for income taxes | $ 3,444,000 | $ 5,794,000 | $ 2,801,000 | $ 13,048,000 | $ 27,281,000 |
Decrease in income tax expense (benefit) | 2,400,000 |  | 10,200,000 |  |  |
Deferred Tax Assets, Net of Valuation Allowance | 145,000,000 |  | 145,000,000 |  | 146,300,000 |
Unrecognized tax benefits | 3,300,000 |  | 3,300,000 |  | 3,348,000 | $ 3,569,000
Unrecognized tax benefits, would impact effective tax rate | $ 3,300,000 |  | 3,300,000 |  | $ 3,300,000 |
Unrecognized tax benefits, reduction resulting from lapse of applicable statute of limitations |  |  | $ 0 |  |  |

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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 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319 Reference 2: 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 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 + Details
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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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