Stock-Based Compensation (Details 2) (USD $)	12 Months Ended
Jun. 30, 2011
Restricted Stock Award [Member]
Changes in restricted stock awards
Unvested restricted stock awards, June 30, 2010, Shares	198,701
Vested, Shares	(105,847)
Forfeited, Shares	(3,539)
Unvested restricted stock awards, June 30, 2011, Shares	89,315
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2010	$ 32.71
Weighted Average Fair Value, Vested	$ 32.56
Weighted Average Fair Value, Forfeited	$ 33.00
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2011	$ 32.90
Restricted Stock Units - Time Vesting [Member]
Changes in restricted stock awards
Unvested restricted stock awards, June 30, 2010, Shares	546,713
Granted, Shares	526,153
Vested, Shares	(84,784)
Forfeited, Shares	(82,000)
Unvested restricted stock awards, June 30, 2011, Shares	906,082
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2010	$ 24.29
Weighted Average Fair Value, Granted	$ 26.95
Weighted Average Fair Value, Vested	$ 23.53
Weighted Average Fair Value, Forfeited	$ 25.47
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2011	$ 25.81
Restricted Stock Units Performance Vesting [Member]
Changes in restricted stock awards
Unvested restricted stock awards, June 30, 2010, Shares	0
Granted, Shares	134,807
Vested, Shares	0
Forfeited, Shares	(18,439)
Unvested restricted stock awards, June 30, 2011, Shares	116,368
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2010	$ 0
Weighted Average Fair Value, Granted	$ 26.89
Weighted Average Fair Value, Vested	$ 0
Weighted Average Fair Value, Forfeited	$ 26.89
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2011	$ 26.89
EPS performance based portion of STEP [Member]
Changes in restricted stock awards
Unvested restricted stock awards, June 30, 2010, Shares	502,371
Forfeited, Shares	(70,582)
Unvested restricted stock awards, June 30, 2011, Shares	431,789
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2010	$ 35.54
Weighted Average Fair Value, Forfeited	$ 37.45
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2011	$ 35.23
TSR performance based portion of STEP [Member]
Changes in restricted stock awards
Unvested restricted stock awards, June 30, 2010, Shares	270,501
Forfeited, Shares	(38,004)
Unvested restricted stock awards, June 30, 2011, Shares	232,497
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2010	$ 8.35
Weighted Average Fair Value, Forfeited	$ 9.20
Weighted Average Fair Value, Unvested restricted stock awards, June 30, 2011	$ 8.21

Share based payment award equity instruments other than options forfeited in period weighted average fair value.

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- Definition

The number of shares under a share-based award plan other than a stock option plan that were settled during the reporting period due to a failure to satisfy vesting conditions pertaining to all option plans.

+ 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)(e)

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- 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)

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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)

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- Definition

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

+ Details

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- 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)

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- Definition

The decrease in the number of shares potentially issuable under a share-based award plan pertaining to awards for which the grantee has gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares, other instruments, or cash in accordance with the terms of the arrangement.

+ 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)(d)

+ Details

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- Definition

The weighted average fair value as of grant dates pertaining to a share-based award plan other than a stock option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares, other instruments, or cash in accordance with the terms of the arrangement.

+ 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)(d)

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