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Stock-Based Compensation Stock Compensation Plans and General Award Terms (Details) (USD $)
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12 Months Ended | ||||||||||||
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Jun. 30, 2012
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Jun. 30, 2011
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Jun. 30, 2010
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Jun. 30, 2012
Stock Options [Member]
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Jun. 30, 2011
Stock Options [Member]
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Jun. 30, 2010
Stock Options [Member]
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Jun. 30, 2012
Restricted Stock Units (RSUs) [Member]
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Jun. 30, 2011
Restricted Stock Units (RSUs) [Member]
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Jun. 30, 2010
Restricted Stock Units (RSUs) [Member]
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Jun. 30, 2012
2010 Plan [Member]
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Nov. 09, 2009
2010 Plan [Member]
Stock Options [Member]
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Jun. 30, 2012
2005 Plan [Member]
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Nov. 09, 2009
2005 Plan [Member]
Restricted Stock Units (RSUs) [Member]
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| Stock-based compensation, additional disclosures [Abstract] | |||||||||||||
| Maximum number of shares authorized (in shares) | 7,000,000 | 4,000,000 | |||||||||||
| Number of awards available for issuance (in shares) | 5,108,019 | 349,702 | |||||||||||
| Vesting period (in years) | 4Y | 4Y | |||||||||||
| Contractual terms, minimum (in years) | 7Y | ||||||||||||
| Contractual terms, maximum (in years) | 10Y | ||||||||||||
| Stock grant (in shares) | 264,640 | 2,727,033 | |||||||||||
| Total fair value of shares vested from RSU grants | $ 14,000,000 | $ 11,700,000 | $ 13,100,000 | ||||||||||
| Total unrecognized compensation cost | 4,800,000 | 13,500,000 | |||||||||||
| Total unrecognized compensation cost, period of recognition (in years) | 2.6 | 2.5 | |||||||||||
| Total intrinsic value of options exercised | 14,600,000 | 12,200,000 | 8,300,000 | ||||||||||
| Cash proceeds from option exercises | 8,900,000 | 9,700,000 | 7,200,000 | ||||||||||
| Payments related to tax withholding on vested RSUs | $ 4,597,000 | $ 3,885,000 | $ 4,040,000 | $ 4,597,000 | $ 3,885,000 | $ 4,040,000 | |||||||
| Common stock capital shares reserved for future issuance (in shares) | 11,000,000 | ||||||||||||