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Stock-Based Compensation (Details 3) (USD $)
12 Months Ended
Jun. 30, 2012
Nonvested deferred share activity  
Nonvested shares beginning balance 957,008
Shares granted 364,600
Shares vested and released (184,149)
Shares cancelled (166,465)
Nonvested shares ending balance 970,994
Weighted average grant date fair value per share beginning balance $ 11.30
Weighted average grant date fair value per share granted $ 9.99
Weighted average grant date fair value per share vested and released $ 12.36
Weighted average grant date fair value per share cancelled $ 11.33
Weighted average grant date fair value per share ending balance $ 10.75