v3.24.1.1.u2
Net Income per Share - Schedule of Computation of Net Income per Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Mar. 29, 2024
Mar. 31, 2023
Mar. 25, 2022
Earnings Per Share [Abstract]      
Net income attributable to Allegro MicroSystems, Inc. $ 152,697 $ 187,357 $ 119,407
Basic weighted average common shares (in shares) 192,573,169 191,197,452 189,748,427
Dilutive effect of common stock equivalents (in shares) 2,101,183 2,490,650 2,062,778
Diluted weighted average common shares (in shares) 194,674,352 193,688,102 191,811,205
Basic net income per common share attributable to Allegro MicroSystems, Inc. stockholders $ 0.79 $ 0.98 $ 0.63
Diluted net income per common share attributable to Allegro MicroSystems, Inc. stockholders $ 0.78 $ 0.97 $ 0.62