MANDATORILY REDEEMABLE FINANCIAL INTEREST (Details)	Jan. 01, 2014 USD ($) third_party_partner third_party	Jan. 01, 2014 AED third_party_partner third_party	Jun. 30, 2016 USD ($)	Jun. 30, 2015 USD ($)	Jan. 01, 2014 AED
Schedule of Equity Method Investments [Line Items]
Number of third parties | third_party_partner	2	2
Repurchase requirement of partnership interest | third_party	1	1
Standby Financing
Schedule of Equity Method Investments [Line Items]
Guaranteed bank financing	$ 4,900,000.0				AED 18,000,000.0
Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Ownership percentage	49.00%	49.00%
Parent | Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Payments to acquire interest in joint venture	$ 4,900,000	AED 18,000,000
Affiliate | Third Party
Schedule of Equity Method Investments [Line Items]
Payments to acquire interest in joint venture	$ 1,600,000	AED 6,000,000
U.A.E. JV
Schedule of Equity Method Investments [Line Items]
Outstanding shares of the JV owned by third party	25.00%				25.00%
Liability for mandatorily redeemable financial instrument			$ 5,600,000	$ 6,100,000
U.A.E. JV | Other Noncurrent Liabilities
Schedule of Equity Method Investments [Line Items]
Liability for mandatorily redeemable financial instrument			5,200,000	5,100,000
U.A.E. JV | Accrued Expenses and Other Current Liabilities
Schedule of Equity Method Investments [Line Items]
Liability for mandatorily redeemable financial instrument			400,000	1,000,000
U.A.E. JV | Primary Beneficiary
Schedule of Equity Method Investments [Line Items]
Joint venture total assets			18,200,000	20,100,000
Joint venture total liabilities			$ 10,300,000	$ 10,400,000