v3.26.1
Net Income Per Share and Stockholders' Equity - Summary of Net Income Per Share (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
NET INCOME PER SHARE — BASIC:      
Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic $ 427,555 $ 450,172 $ 509,915
Net sales $ (1,090) $ 0 $ 0
Weighted average number of common shares outstanding — Basic (in shares) 77,756 77,549 78,252
Income (Loss) from Continuing Operations, Per Basic Share $ 5.50 $ 5.81 $ 6.52
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Basic Share (0.01) 0 0
Net income (loss) per common share — Basic (in dollars per share) $ 5.48 $ 5.81 $ 6.52
NET INCOME PER SHARE — DILUTED:      
Net income available to common stockholders $ 426,465 $ 450,172 $ 509,915
Weighted average number of common shares outstanding — Basic (in shares) 77,756 77,549 78,252
Weighted average number of common shares outstanding — Diluted (in shares) 78,383 78,188 79,017
Income (Loss) from Continuing Operations, Per Diluted Share $ 5.45 $ 5.76 $ 6.45
Net income (loss) per common share —Diluted (in dollars per share) 5.44 5.76 6.45
Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share $ (0.01) $ 0 $ 0
Potentially dilutive securities excluded as anti-dilutive (in shares) 29 27 18
Assumed restricted stock - nonparticipating      
NET INCOME PER SHARE — DILUTED:      
Dilutive securities (in shares) 59 64 77
Assumed exercise of stock options      
NET INCOME PER SHARE — DILUTED:      
Dilutive securities (in shares) 423 499 602
Assumed performance units      
NET INCOME PER SHARE — DILUTED:      
Dilutive securities (in shares) 145 76 86