Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share - Additional Information (Detail)

v2.4.0.8
Earnings Per Share - Additional Information (Detail)
3 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share Disclosure [Line Items]    
Number of potentially dilutive stock option shares excluded from the calculation of earnings per share 223,000 199,000