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Company Redemption of Series A Preferred Stock (Details) (USD $)	3 Months Ended
	Sep. 30, 2012	Jun. 30, 2011
Stock Redemption of Preferred Stock During Period [Abstract]
Series A preferred stock redemption date	Jun. 01, 2011
Company redeemed Series A 8 1/2% preferred stock	6,100,000
Preferred stock, dividend percentage rate	8.50%
Redemption price per share		$ 25.00

The price per share at which the preferred stock of an entity that has priority over common stock in the distribution of dividends and in the event of liquidation of the entity is redeemed or may be called at. The redemption features of this preferred stock are solely within the control of the issuer.

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