Stock-Based Compensation (Details 1) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Jun. 30, 2011
Changes in stock options
Options outstanding, June 30, 2010	3,582,075
Options, Granted	559,987
Options, Exercised	(646,567)
Options, Lapsed and Forfeited	(107,492)
Options outstanding, June 30, 2011	3,388,003
Options vested and expected to vest, June 30, 2011	3,299,431
Options exercisable, June 30, 2011	1,948,442
Weighted Average Exercise Price, Options outstanding, June 30, 2010	$ 25.59
Weighted Average Exercise Price, Granted	$ 27.30
Weighted Average Exercise Price, Exercised	$ 22.25
Weighted Average Exercise Price, Lapsed and Forfeited	$ 26.05
Weighted Average Exercise Price, Options outstanding, June 30, 2011	$ 26.5
Weighted Average Exercise Price, Option vested and expected to vest, June 30, 2011	$ 26.54
Weighted Average Exercise Price, Options exercisable, June 30, 2011	$ 26.85
Weighted Average Remaining Life, Options outstanding, June 30, 2011	6.0
Weighted Average Remaining Life, Options vested and expected to vest, June 30, 2011	5.9
Weighted Average Remaining Life, Options exercisable, June 30, 2011	4.6
Aggregate Intrinsic value, Options outstanding, June 30, 2011	$ 53,216
Aggregate Intrinsic Value, Options vested and expected to vest, June 30, 2011	51,706
Aggregate Intrinsic Value, Options exercisable, June 30, 2011	$ 29,937

Share based payment award options exercisable aggregate intrinsic value.

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Share based payment award options exercised in period weighted average exercise price.

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Share based payment award options granted weighted average exercise price.

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Share based payment award options outstanding weighted average remaining life.

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Share based payment award options vested and expected to vest outstanding weighted average remaining life.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance-sheet date can be currently converted under the option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(c), d(2)

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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- Definition

The decrease in the number of reserved shares that could potentially be issued attributable to the exercise or conversion during the reporting period of previously issued stock options under the option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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For presentations that combine terminations, the weighted average price of expired options and the price at which grantees could have acquired the underlying shares with respect to stock options that were terminated during the reporting period due to noncompliance with plan terms during the reporting period .

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- Definition

The quantity of shares issuable on stock options awarded under the plan during the reporting period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
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- Definition

The total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices pertaining to options outstanding under the plan as of the balance-sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph d(1)

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance-sheet date, including vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(a)

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-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(b)

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

The weighted average price as of the beginning of the year at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph b(1)(a)

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- Definition

As of the balance sheet date, the total dollar difference between fair values of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph d(1)

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- Definition

As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph d(1)

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- Definition

As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

+ References

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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph A240
-Subparagraph d(1)

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