CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - SFr / shares shares in Thousands	Jun. 30, 2023	Mar. 31, 2023
Statement of Financial Position [Abstract]
Shares, par value (in CHF per share)	SFr 0.25	SFr 0.25
Shares issued (in shares)	173,106	173,106
Shares that may be issued out of conditional capital (in shares)	50,000	50,000
Shares that may be issued out of the authorized capital (in shares)	17,311	17,311
Treasury, at cost, shares (in shares)	14,484	13,763