| Stock Repurchase Program (Details) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | ||
|---|---|---|---|
| Sep. 30, 2013 | Sep. 30, 2012 | Nov. 08, 2012
 November 2012 shares authorized | |
| Stock Repurchase Program | |||
| Authorized shares to be repurchased | 80,800,000 | 8,000,000 | |
| Shares available for repurchase | 4,800,000 | ||
| Number of shares of common stock repurchased | 1,038,000 | 1,361,000 | |
| Total cost of repurchases | $ 60,504 | $ 68,317 | |
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- Details 
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- Definition The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available. 
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- Definition The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan. No definition available. 
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- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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