INCOME TAXES (Details) (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013	Jun. 30, 2013
INCOME TAXES
Income tax expense	$ 3,980,000	$ 18,286,000	$ 15,133,000	$ 51,062,000
Effective tax rate (as a percent)	16.30%	72.60%	24.50%	46.10%
Income tax benefit resulting from an error identified as part of the annual provision-to-return true-up process			2,700,000
Total gross unrecognized tax benefits	23,600,000		23,600,000		21,200,000
Accrued income-tax-related interest and penalties	5,800,000		5,800,000		4,300,000
Expiration period of statute of limitations for income tax examinations			12 months
Decrease in net unrecognized income tax benefits, reasonably possible in the next 12 months, lower bound	(4,000,000)		(4,000,000)
Decrease in net unrecognized income tax benefits, reasonably possible in the next 12 months, upper bound	$ (4,500,000)		$ (4,500,000)