Share-Based Compensation (Summary Of Director Stock Units Activity) (Details) (USD $)	12 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Number of Awards, Beginning balance	345,027	258,564	441,199
Weighted-Average Grant Date Fair Value, Beginning balance	$ 26.63	$ 50.90	$ 53.19
Number of Awards, Granted	171,617	219,448	34,788
Weighted-Average Grant Date Fair Value, Granted	$ 33.10	$ 19.66	$ 36.45
Number of Awards, Ending balance	480,741	345,027	258,564
Weighted-Average Grant Date Fair Value, Ending balance	$ 28.17	$ 26.63	$ 50.90
Director's Plan [Member]
Number of Awards, Beginning balance	162,864	100,063	75,362
Weighted-Average Grant Date Fair Value, Beginning balance	$ 22.66	$ 25.95	$ 27.06
Number of Awards, Granted	29,822	59,332	21,444
Weighted-Average Grant Date Fair Value, Granted	$ 36.45	$ 18.12	$ 22.24
Number of Awards, Dividend equivalents	3,015	3,469	3,257
Number of Awards, Ending balance	195,701	162,864	100,063
Weighted-Average Grant Date Fair Value, Ending balance	$ 25.81	$ 22.66	$ 25.95

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Non vested Dividend Equivalents Number

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Period Type:	duration

- Definition

The number of shares issuable under a share-based award plan pertaining to grants made during the period on other than stock option plans (for example, phantom stock plan, stock appreciation rights plan, performance target 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(2)(c)

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- Definition

The weighted average fair value at grant for nonvested share-based awards issued during the period on other than stock option plans (for example, phantom stock plan, stock appreciation rights plan, performance target 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(2)(c)

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

+ Details

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- Definition

The number of outstanding awards on nonstock option plans (for example, phantom stock plan, stock appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares.

+ 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(2)(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(2)(b)

+ Details

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Namespace Prefix:	us-gaap
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The weighted average fair value of nonvested awards on share-based plans excluding option plans (for example, phantom stock plan, stock appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares.

+ 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(2)(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(2)(b)

+ Details

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