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Stockholders' Equity - Summary of Effect of Stock Based Compensation (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Non-cash stock-based compensation expense $ (1,081) $ (856) $ (218)
Income tax benefit         
Net income effect $ (1,081) $ (856) $ (218)
Net effect on earnings per share, basic and diluted $ (0.04) $ (0.04) $ (0.01)