Income Taxes (Schedule Of Tax Provisions And Analysis Of Effective Income Tax Rates) (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Income Tax Rate Reconciliation [Line Items]
Provision for Federal income taxes before credits at statutory rate	$ 91,404	$ 56,077	$ 17,177
State income taxes	2,124	623	(311)
Difference between Federal statutory rate and foreign effective rate	(22,240)	(16,688)	(11,893)
Goodwill impairment without tax benefit	0	0	2,028
Expenses not deductible for tax purposes and other	12,444	1,703	4,276
Tax benefit from U.S. production activities	(3,704)	(1,581)	0
Change in valuation allowance	(124,211)	166	4,767
Change in uncertain tax positions	(1,937)	7,206	(857)
Deferred tax true-up	0	(3,703)	1,248
Difference between Federal and financial tax accounting for equity compensation	896	494	1,009
Federal income tax credits	(22,144)	(18,024)	(9,397)
Other	(1,020)	(1,969)	563
Income tax (benefit) expense, net	$ (68,388)	$ 24,304	$ 8,610

Expenses not deductible for tax purposes and other.

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Income tax reconciliation change in uncertain tax positions

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Income tax reconciliation deferred tax true-up.

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Income tax reconciliation tax benefit from u.s. production 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 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 nondeductible impairment losses under 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 sum of other amounts reflected in the reconciliation of the statutory tax provision (benefit) to the actual tax provision (benefit).

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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 tax credits.

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