Income Taxes (Schedule Of Provision For Income Tax Differ From The Amount Of Income Tax) (Details) (USD $) In Thousands	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Income Taxes
Taxes computed at statutory U.S. rate	$ 106,297	$ 91,206	$ 70,590
State income taxes, net of U.S. tax benefit	1,060	886	346
Non-deductible expenses	1,113	594	748
Research and development credit	(7,463)	(6,942)	(4,916)
Tax effect of dividends	40,038	35,795	55,575
Change in valuation allowance	(2,748)	733	(9,435)
Effect of non-U.S. tax rates	(38,269)	(27,975)	(17,559)
Foreign tax credits	(25,738)	(24,816)	(43,271)
Stock-based compensation expense	2,027	2,080	2,488
Other	404	(1,057)	670
Provision for income taxes	$ 76,721	$ 70,504	$ 55,236

Impact of concessional tax rates on approved research and development activities.

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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to changes in the valuation allowance for deferred tax assets in the period.

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to total foreign income tax expense or benefit. The foreign income tax expense or benefit difference represents the income tax expense or benefit at applicable domestic statutory income tax rates applied to foreign earnings or loss for the period versus the foreign income tax expense or benefit calculated by applying the appropriate foreign tax rates.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles and enacted tax laws.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to differences in the deductibility of incentive stock options and other equity-based compensation costs in accordance with generally accepted accounting principles and enacted tax laws.

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The portion of the difference between total income tax expense or benefit as reported in the Income Statement and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to foreign tax credits generated or utilized under enacted tax laws during the period.

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