v3.26.1
Earnings Per Share - Weighted Average Common Shares Basic and Common Shares Diluted (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2024
Earnings Per Share [Abstract]      
Net earnings attributable to EnerSys stockholders $ 293,557 $ 363,735 $ 269,096
Basic (in shares) 37,439,727 39,760,829 40,669,392
Dilutive effect of:      
Common shares from exercise and lapse of equity awards, net of shares assumed reacquired (in shares) 704,483 677,750 702,047
Diluted weighted-average number of common shares outstanding (in shares) 38,144,210 40,438,579 41,371,439
Basic earnings per common share attributable to EnerSys stockholders (usd per share) $ 7.84 $ 9.15 $ 6.62
Diluted earnings per common share attributable to EnerSys stockholders (usd per share) $ 7.70 $ 8.99 $ 6.50
Anti-dilutive equity awards not included in diluted weighted-average common shares (in shares) 420,769,000 551,411,000 356,893,000