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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - SFr / shares
Dec. 31, 2024
Mar. 31, 2024
Statement of Financial Position [Abstract]    
Shares, par value (in CHF per share) SFr 0.25 SFr 0.25
Shares issued (in shares) 168,994,142 173,106,000
Treasury, at cost, shares (in shares) 19,555,027 19,243,000