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INCOME TAXES (Income Tax Provisions Computed using Statutory U.S. Federal Rate) (Detail) - USD ($) $ in Thousands	12 Months Ended			18 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2019	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Income Tax at Statutory Rate	$ 35,738	$ 55,750	$ 45,941
Lower Rates on Foreign Operations	(18,939)	(30,749)	(42,911)
State Income Taxes	5,825	3,648	1,348
Impact of Tax Cuts and Jobs Act	0	103,878	0
Loss on Investment in Subsidiary	1,797	(48,903)	0
Benefit on Foreign Intangibles	0	(8,813)	0
Permanent Non-Deductible Items	537	7,715	2,720
Foreign Tax Provisions Under GILTI	4,808	0	0
Other	4,391	1,576	2,496
Income Tax Provision	$ 34,157	$ 84,102	$ 9,594
Income Tax at Statutory Rate	21.00%	28.10%	35.00%	21.00%	35.00%
Lower Rates on Foreign Operations	(11.10%)	(15.50%)	(32.70%)
State Income Taxes	3.40%	1.80%	1.00%
Impact of Tax Cuts and Jobs Act	0.00%	52.30%	0.00%
Loss on Investment in Subsidiary	1.10%	(24.60%)	0.00%
Benefit on Foreign Intangibles	0.00%	(4.50%)	0.00%
Permanent Non-Deductible Items	0.30%	3.90%	2.10%
Foreign Tax Provisions Under GILTI	2.80%	0.00%	0.00%
Other	2.60%	0.80%	1.90%
Income Tax Provision	20.10%	42.30%	7.30%

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