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Equity Transactions (Details 4) - Restricted Stock - USD ($)
$ in Millions
3 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Stock option plan    
Unrecognized compensation $ 19.7  
Weighted average period for recognition of total unrecognized compensation expense related to unvested restricted stock awards granted 2 years 2 months 12 days  
Fair value of share-based compensation awards vested in period $ 4.2 $ 4.1
Stock based compensation expense $ 3.6 $ 3.1