REVENUES - Narrative (Details)	6 Months Ended
Jun. 30, 2018
Private Equity
Disclosure of disaggregation of revenue from contracts with customers [line items]
Backlog	2 years

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

No definition available.

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration