Aggregate number of common shares reserved for future issuance.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

STOCK-BASED COMPENSATION (Details) - Common Class A - shares	Jun. 30, 2015	Feb. 18, 2015
Omnibus Incentive Plan 2015
STOCK BASED COMPENSATION
Shares reserved for future issuance		7,335,430
Long-term Incentive Plan 2007
STOCK BASED COMPENSATION
Shares reserved for future issuance	6,940,055