Income Taxes (Schedule Of Provision For Income Tax Differ From The Amount Of Income Tax) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Income Taxes [Abstract]
Taxes computed at statutory U.S. rate	[1]	$ 146,280	$ 146,560	$ 153,848
Transition tax		126,753
State income taxes, net of U.S. tax benefit		2,427	(1,294)	2,573
Research and development credit		(4,089)	(2,804)	(5,138)
Change in statutory tax rates		16,685
Tax effect of dividends			97,662	80,754
Change in valuation allowance		(2,962)	4,021	(5,882)
Effect of non-U.S. tax rates		(70,250)	(97,141)	(91,124)
Foreign tax credits	[2]	(6,473)	(67,689)	(44,835)
Stock-based compensation expense		(7,045)	(3,107)	(8,170)
Other		4,398	251	5,131
Provision for income taxes		$ 205,724	$ 76,459	$ 87,157

[1] In fiscal year 2018, as a result of U.S. tax legislation, the statutory U.S. tax rate was 28%.

[2] In fiscal year 2018, $75.5 million of the foreign tax credit is included as a reduction in the transition tax.