v3.25.2
Equity - Additional Information (Details)
€ / shares in Units, $ / shares in Units, € in Thousands, $ in Millions
3 Months Ended 9 Months Ended 12 Months Ended
May 30, 2025
EUR (€)
shares
May 30, 2025
$ / shares
shares
Jul. 03, 2024
$ / shares
shares
Oct. 13, 2023
EUR (€)
shares
Oct. 13, 2023
USD ($)
$ / shares
shares
Oct. 10, 2023
shares
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2025
EUR (€)
shares
Jun. 30, 2024
EUR (€)
shares
Sep. 30, 2024
EUR (€)
shares
Jun. 28, 2024
$ / shares
shares
Oct. 02, 2023
€ / shares
shares
Sep. 30, 2023
shares
Disclosure Of Detailed Information About Equity [line items]                          
Total proceeds from IPO | €               € 0 € 449,214        
Ordinary Shares                          
Disclosure Of Detailed Information About Equity [line items]                          
Number of ordinary shares | shares       187,825,592 187,825,592   183,906,056 183,906,056 187,829,202 187,829,202   182,721,369 182,721,369
Ordinary Shares, Secondary Offering                          
Disclosure Of Detailed Information About Equity [line items]                          
Shares issued | shares   16,100,000 16,100,000                    
Ordinary share price | $ / shares   $ 52.5                 $ 54    
Ordinary shares at a price | $ / shares   $ 52.5 $ 54                    
Number of shares exercised, option to purchase additional shares | shares   2,100,000 2,100,000                    
Costs incurred | € € 1,500                 € 1,900      
Ordinary Shares                          
Disclosure Of Detailed Information About Equity [line items]                          
Shares issued | shares       10,752,688 10,752,688                
Initial public offering price | $ / shares         $ 46                
Total proceeds from IPO       € 450,000 $ 473.6                
Early repayment of borrowings | €       100,000                  
Description of no par value ordinary shares               Prior to the IPO, the Company completed a capital reorganization. On October 2, 2023, the Company converted its share capital, comprised of 182,721,369 ordinary shares of €1.00 par value into 182,721,369 no par value ordinary shares.          
Ordinary share price | $ / shares   $ 50.925                      
Par value per share | € / shares                       € 1  
Shares repurchased of ordinary shares | shares 3,927,344         5,648,465              
Shares repurchased amount of ordinary shares | €             € 176,400 € 176,400          
MidCo | Ordinary Shares, Secondary Offering                          
Disclosure Of Detailed Information About Equity [line items]                          
Shares issued | shares   14,000,000                 14,000,000    
Initial Public Offering                          
Disclosure Of Detailed Information About Equity [line items]                          
Underwriting commission fees | €       19,800                  
Deferred offering costs | €       3,000                  
USD Term Loan | Ordinary Shares                          
Disclosure Of Detailed Information About Equity [line items]                          
Early repayment of borrowings       € 423,800 $ 450.0