INCOME TAXES (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Provisions for income taxes	$ 10,649	$ 115,047	$ 22,037	$ 125,824
Tax Cuts and Jobs Act, decrease in deferred tax liability due to transition tax		2,300		2,300
Tax Cuts and Jobs Act, transition tax, provisional income tax expense		$ 110,500		$ 110,500
Income tax expense (benefit) litigation settlement	(4,000)		(4,000)
Tax Cuts and Jobs Act, transition tax provision			2,800
Unrecognized tax benefits	29,400		29,400
Net increase (decrease) in unrecognized tax benefits	100
Interest accrued related to uncertain tax matters	3,800		3,800
IRS
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]
Loss contingency, estimate of possible loss	$ 50,000		$ 50,000