Number of Shares To Be Issued In lieu Of Cash Under Directors Plan Description

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Target of Target Shares

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Maximum Expiration period

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Service Period

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Percentage of Target Shares Minimum

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- Definition

As of the latest balance-sheet date presented, the total compensation cost related to outstanding, nonvested share-based compensation awards not yet recognized (will be charged against earnings as services are performed or other vesting criteria are met).

+ References

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

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- Definition

The weighted average period over which unrecognized share-based compensation costs are expected to be reported.

+ References

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

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- Definition

Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

+ References

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

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- Definition

Share-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset.

+ References

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

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 123R
-Paragraph 64, 65

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- Definition

The difference between the maximum number of shares authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares already issued upon exercise of options or other share-based awards under the plan, and 2) shares reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

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

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- Definition

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)

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

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Share-Based Compensation (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009	Jun. 30, 2008
Compensation cost	$ 14.4	$ 7.4	$ 10.3
Options outstanding	956,807	820,655	541,263	430,106
Minimum [Member] \| Stock Option [Member]
Options exercisable service period, in years	1
Minimum [Member] \| Performance-Based Restricted Share Awards [Member]
Shares vesting period, in years	one
Maximum [Member] \| Stock Option [Member]
Options exercisable service period, in years	3
Maximum [Member] \| Performance-Based Restricted Share Awards [Member]
Shares vesting period, in years	two
1993 Plan [Member]
Shares available for grant	2,719,790
Options outstanding	744,651
Director's Plan [Member]
Compensation cost	1.0	1.2	0.5
Shares available for grant	874,080
Options outstanding	212,156
Unvested stock option cost	0.3
Unvested stock option weighted average remaining life, in years	0.3
Shares vesting period, in years	one
Number of shares to be issued in lieu of cash under directors plan description	According to the provisions of the Director's plan, on the date of each annual stockholders' meeting or on such other regularly scheduled date as the Board of Directors may determine from time to time in light of the Company's prevailing practices for the grant of equity awards to employees, each Director shall be granted, in place of cash compensation, a number of stock units determined by dividing 50 percent of the Director's annual retainer by the fair market value of the Company's common stock on that date.
Stock Option [Member]
Compensation cost	3.8	2.2	3.3
Maximum expire period, in years	10
Weighted average grant date fair value	$ 14.75	$ 7.77	$ 10.34
Unvested stock option cost	1.3
Unvested stock option weighted average remaining life, in years	1.3
Time-Based Restricted Shares Awards [Member]
Shares vesting period, in years	three
Total Stockholder Return Awards [Member]
Compensation cost	1.9	0.6	0.6
Target shares awarded minimum percentage	50.00%
Maximum target of target shares	two times
Nonvested Stock Awards (All Plans) [Member]
Compensation cost	7.7	3.4	5.9
Unvested stock option cost	$ 5.3
Unvested stock option weighted average remaining life, in years	1.5