INCOME TAXES (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014
INCOME TAXES
Income tax expense	$ 1,041,000	$ 3,980,000	$ 3,172,000	$ 15,133,000
Effective tax rate (as a percent)	4.00%	16.30%	7.80%	24.50%
Expiration period of statute of limitations for income tax examinations			12 months
Total gross unrecognized tax benefits	15,500,000		15,500,000		13,700,000
Accrued income-tax-related interest and penalties	$ 6,900,000		$ 6,900,000		$ 5,400,000