Business Combination and Asset Acquisitions Pro Forma Information (Details) (Gentium [Member], USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Gentium [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues	$ 306,584	$ 247,478	$ 848,036	$ 674,491
Net income (loss) attributable to Jazz Pharmaceuticals plc	$ 26,317	$ 61,330	$ (1,887)	$ 98,418
Net income (loss) per ordinary share - basic (in dollars per share)	$ 0.44	$ 1.05	$ (0.03)	$ 1.68
Net income (loss) per ordinary share - diluted (in dollars per share)	$ 0.42	$ 1.00	$ (0.03)	$ 1.60

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463

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The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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