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CONSOLIDATED BALANCE SHEETS (Parenthetical) - SFr / shares
shares in Thousands
Mar. 31, 2023
Mar. 31, 2022
Statement of Financial Position [Abstract]    
Shares, par value (in CHF per share) SFr 0.25 SFr 0.25
Issued shares (in shares) 173,106 173,106
Additional shares that may be issued out of conditional capital (in shares) 50,000 50,000
Additional shares that may be issued out of authorized capital (in shares) 17,311 17,311
Shares in treasury, at cost (in shares) 13,763 7,855