XML 49 R36.htm IDEA: XBRL DOCUMENT v3.8.0.1
Net Income Per Share - Computation of Basic and Diluted Net Income per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Earnings Per Share [Abstract]        
Net income $ 56,358 $ 47,045 $ 93,365 $ 68,986
Shares used in net income per share computation:        
Weighted average shares outstanding - basic (in shares) 164,120 162,222 163,765 162,176
Effect of potentially dilutive equivalent shares (in shares) 4,958 3,327 4,945 2,750
Weighted average shares outstanding - diluted (in shares) 169,078 165,549 168,710 164,926
Net income per share:        
Net income per share - basic (in dollars per share) $ 0.34 $ 0.29 $ 0.57 $ 0.43
Net income per share - diluted (in dollars per share) $ 0.33 $ 0.28 $ 0.55 $ 0.42
Anti-dilutive equivalents shares excluded (in shares) 600 2,900 1,200 3,100