Narrative (Details)	Jun. 30, 2013	Jun. 30, 2012
Earnings Per Share [Abstract]
Number of shares issued or committed for issuance under outstanding stock options	7,313,250	6,745,354
Number of shares of restricted stock and shares reserved for restricted stock units outstanding	989,354	837,104
Number of outstanding shares of Series D Cumulative Convertible Preferred Stock	27,000
Number of shares of common stock	6,065,075