CONSOLIDATED BALANCE SHEETS (Parenthetical) - SFr / shares	Mar. 31, 2024	Mar. 31, 2023
Statement of Financial Position [Abstract]
Shares, par value (in CHF per share)	SFr 0.25	SFr 0.25
Issued shares (in shares)	173,106,000	173,106,000
Additional shares that may be issued out of conditional capital (in shares)	50,000,000	50,000,000
Additional shares that may be issued out of authorized capital (in shares)	17,311,000	17,311,000
Shares in treasury, at cost (in shares)	19,243,358	13,763,000