v3.25.2
Share-based Payments - Schedule of Award Activity Related to Other Awards (Details) - ¥ / shares
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Phantom stock appreciation rights (PSARs)      
Number of shares      
As of beginning of the year (in shares) 0 217,530 1,471,095
Forfeited/expired after vesting (in shares) 0 (217,530) (1,253,565)
As of end of the year (in shares) 0 0 217,530
Weighted average exercise price (JPY)      
As of beginning of the year (in JPY per share) ¥ 0 ¥ 5,956 ¥ 5,481
Forfeited/expired after vesting (in JPY per share) 0 6,428 6,054
As of end of the year (in JPY per share) ¥ 0 ¥ 0 ¥ 5,956
Restricted stock units (RSUs)      
Number of shares      
As of beginning of the year (in shares) 0 0 317,734
Forfeited before vesting (in shares) 0 0 (8,208)
Vested (in shares) 0 0 (313,259)
Transfer from Equity-Settled ESOP (in shares) 0 0 3,733
As of end of the year (in shares) 0 0 0
Liability-settled long-term incentive plan (LTIP)      
Number of shares      
As of beginning of the year (in shares) 395,762 367,642 296,640
Granted (in shares) 341,518 197,798 213,224
Forfeited before vesting (in shares) (53,520) (38,245) (30,372)
Vested (in shares) (312,092) (341,148) (197,780)
Transfer from Equity-Settled LTIP (in shares) 0 209,715 85,930
As of end of the year (in shares) 371,668 395,762 367,642