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NET INCOME PER SHARE - Antidilutive Securities Excluded from Computation of Diluted EPS (Detail) (Restricted stock units)
In Thousands, unless otherwise specified
3 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Restricted stock units
   
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities excluded from calculation of diluted net income per share (in shares) 0 560