v3.26.1
Shareholders' Equity - Narrative (Details)
SFr / shares in Units, $ in Thousands, SFr in Millions
 1 Months Ended 3 Months Ended
Sep. 30, 2025
shares
Sep. 30, 2023
shares
Mar. 31, 2026
SFr / shares
Mar. 31, 2025
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2026
CHF (SFr)
SFr / shares
shares
Mar. 31, 2026
USD ($)
shares
Class of Stock [Line Items]                
Common stock outstanding           $ 28,001 SFr 40.2 $ 28,001
Shares issued (in shares)           160,784,460 160,784,460 160,784,000
Shares, par value (in CHF per share) | SFr / shares     SFr 0.25       SFr 0.25  
Treasury, at cost, shares (in shares)           17,218,209 17,218,209 17,282,000
Adjusted share capital period (in years) 5 years 5 years            
Maximum percentage of shares held by the company and its subsidiaries           10.00% 10.00%  
Maximum shares available for purchase (in shares)           16,100,000 16,100,000  
Shares acquired for cancellation (in shares)           5,600,000    
Shares acquired for equity incentive plans or potential acquisitions (in shares)           11,600,000    
2023 Share Repurchase Program                
Class of Stock [Line Items]                
Period for which repurchase program will remain in effect (in years)         3 years      
Share repurchase, authorized amount (up to) | $       $ 1,600,000 $ 1,000,000      
Increase in authorized amount under share repurchase program | $       $ 600,000        
2026 Share Repurchase Program                
Class of Stock [Line Items]                
Period for which repurchase program will remain in effect (in years)     3 years          
Share repurchase, authorized amount (up to) | $               $ 1,400,000
Share repurchase program, authorized (in Shares)               16,078,446
Amount available for repurchase | $           $ 1,300,000    
Common Stock Capital Shares Reserved For Future Issuance Employee Equity Incentive Plans                
Class of Stock [Line Items]                
Shares that may be issued out of conditional capital (in shares)           25,000,000 25,000,000  
Common Stock Capital Shares Reserved For Future Issuance Conversion Rights Under Future Convertible Bond Issuance                
Class of Stock [Line Items]                
Shares that may be issued out of conditional capital (in shares)           25,000,000 25,000,000  
Minimum                
Class of Stock [Line Items]                
Number of adjusted share capital (in shares) 144,706,014 155,795,958            
Maximum                
Class of Stock [Line Items]                
Number of adjusted share capital (in shares) 176,862,906 190,417,282