FAIR VALUE MEASUREMENTS (Details) - Recurring - Contingent consideration - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Fair value measurements
Asset (Liability)	$ (44,281)	$ (11,691)
Level 3
Fair value measurements
Asset (Liability)	$ (44,281)	$ (11,691)

Fair value of financial and nonfinancial obligations.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258

Name:	us-gaap_LiabilitiesFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant