INCOME TAXES (Income Tax Provisions Computed using Statutory U.S. Federal Rate) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Reconciliation Of Statutory Federal Tax Rate [Line Items]
Income Tax at Statutory Rate	$ 55,750	$ 45,941	$ 52,788
Lower Rates on Foreign Operations	(30,749)	(42,911)	(33,271)
State Income Taxes	3,648	1,348	3,240
Impact of Tax Cuts and Jobs Act	103,878	0	0
Loss on Investment in Subsidiary	(48,903)	0	0
Benefit on Foreign Intangibles	(8,813)	0	0
Permanent Non-Deductible/(Taxable) Items	7,715	2,720	1,931
Other	1,576	2,496	638
Income Tax Provision	$ 84,102	$ 9,594	$ 25,326
Income Tax at Statutory Rate	28.10%	35.00%	35.00%
Lower Rates on Foreign Operations	(15.50%)	(32.70%)	(22.10%)
State Income Taxes	1.80%	1.00%	2.10%
Impact of Tax Cuts and Jobs Act	52.30%	0.00%	0.00%
Loss on Investment in Subsidiary	(24.60%)	0.00%	0.00%
Benefit on Foreign Intangibles	(4.50%)	0.00%	0.00%
Permanent Non-Deductible/(Taxable) Items	3.90%	2.10%	1.30%
Other	0.80%	1.90%	0.50%
Income Tax Provision	42.30%	7.30%	16.80%