Quarterly report pursuant to sections 13 or 15(d)

Potentially Dilutive Shares (Detail)

v2.4.0.8
Potentially Dilutive Shares (Detail)
3 Months Ended 6 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share [Line Items]        
Potentially dilutive shares 1,717 5,245 1,847 5,420