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Common Stock Repurchases and Retirement	9 Months Ended
Common Stock Repurchases and Retirement	Mar. 31, 2013
Equity [Abstract]
Common Stock Repurchases and Retirement	Common Stock Repurchases and Retirement Retirement of Treasury Stock On September 5, 2012, the Company retired 39,631,836 shares of treasury stock. The retired shares had a carrying value of approximately $149.7 million, and the Company reduced additional paid-in capital by approximately $149.7 million upon the formal retirement of the shares. The retired shares are now included in the Company's authorized but unissued shares. Common Stock Repurchases On September 28, 2012, the Company's Board of Directors approved a share repurchase program for a maximum of $75 million which may be purchased over a three year period in the open market or in privately negotiated transactions. All repurchased shares will be retired and included in the Company's authorized but unissued shares. During the three months ended March 31, 2013, the Company repurchased 1.2 million shares of common stock at a total cost of $4.2 million. During the nine months ended March 31, 2013, the Company repurchased 3.1 million shares of common stock at a total cost of $11.0 million.