v2.4.0.8
Net Income Per Share - Additional Information (Detail) (Stock Compensation Plan [Member])
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Stock Compensation Plan [Member]
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Share-based awards 503,115 3,990,394