Stockholders' Equity - Schedule of Stock Repurchase Activity (Detail) $ / shares in Units, $ in Thousands |
12 Months Ended |
|---|---|
|
Mar. 31, 2020
USD ($)
$ / shares
shares
| |
| Stockholders Equity Note [Abstract] | |
| Shares repurchased (in shares) | shares | 465,687 |
| Average price per share | $ / shares | $ 182.27 |
| Shares repurchased, value | $ | $ 84,879 |