Business combination - Pro Forma Impact of Business Combination (Details) - ARIAD Pharmaceuticals - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2016	Jun. 30, 2016
Unaudited pro forma information
Pro forma net product revenues	$ 245,341	$ 437,334
Pro forma net income	$ 48,431	$ 54,136

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.

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=65885119&loc=d3e1392-128463

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Balance Type:	credit
Period Type:	duration