Quarterly report pursuant to Section 13 or 15(d)

Share-based Compensation - Additional Information (Detail)

v2.4.0.8
Share-based Compensation - Additional Information (Detail) (USD $)
3 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Stock options, granted 467,000 135,000
Stock options, weighted average grant price per share $ 93.95 $ 76.02
Stock options, weighted average fair value per share $ 13.93 $ 13.94
Stock-based compensation expense $ 1,362,000 $ 569,000
Total unrecognized compensation cost related to non-vested stock options, non-vested restricted stock units and non-vested restricted stock 9,700,000  
Weighted average period over which the compensation cost is expected to be recognized 1 year 6 months  
Total intrinsic value of options exercised $ 800,000 $ 200,000
Stock options, shares 28,000 19,000
Restricted Stock Units (RSUs)
   
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Restricted stock granted 34,000 0
Weighted average grant date fair values per share $ 93.70