XML 62 R47.htm IDEA: XBRL DOCUMENT v3.19.1
Net Income per Share (Computation of Basic and Diluted Net Income per Share) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2017
Net Income      
Net income $ 257,573 $ 208,542 $ 205,876
Shares used in net income per share computation:      
Weighted average shares outstanding - basic (in shares) 165,609 164,038 162,058
Effect of potentially dilutive equivalent shares (in shares) 3,356 4,933 3,482
Weighted average shares outstanding - diluted (in shares) 168,965 168,971 165,540
Net income per share:      
Basic (in dollars per share) $ 1.56 $ 1.27 $ 1.27
Diluted (in dollars per share) $ 1.52 $ 1.23 $ 1.24
Anti-dilutive equivalents shares excluded (in shares) 1,800 1,100 1,400