v3.25.2
Segment Information - Schedule of Operating Segments (Details) - EUR (€)
€ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disclosure of operating segments [line items]        
Profit before tax € 179,679 € 110,895 € 368,642 € 215,536
Finance costs, net (18,302) (44,578) (68,692) (108,017)
Depreciation and amortization (28,250) (24,809) (81,754) (72,193)
EBITDA 226,231 180,282 519,088 395,746
Foreign exchange gain (loss) 9,507 (4,157) 206 (21,295)
IPO-related costs       (7,459)
Share-based compensation expenses       (3,591)
Secondary offering related costs (1,546) (1,890) (1,546) (1,890)
Adjusted EBITDA 218,270 186,329 520,428 429,981
Revenue 635,042 564,758 1,571,091 1,348,926
Total Reportable Segments        
Disclosure of operating segments [line items]        
Adjusted EBITDA 227,208 196,280 545,816 448,937
Revenue 634,047 563,957 1,567,798 1,345,319
Total Reportable Segments | Americas        
Disclosure of operating segments [line items]        
Adjusted EBITDA 109,459 89,922 288,710 234,573
Revenue 312,266 282,865 835,490 718,364
Total Reportable Segments | EMEA        
Disclosure of operating segments [line items]        
Adjusted EBITDA 97,565 88,232 205,413 175,387
Revenue 258,603 229,048 574,207 506,095
Total Reportable Segments | APAC        
Disclosure of operating segments [line items]        
Adjusted EBITDA 20,184 18,126 51,693 38,977
Revenue 63,178 52,044 158,101 120,860
Corporate / Other        
Disclosure of operating segments [line items]        
Adjusted EBITDA (8,938) (9,951) (25,388) (18,956)
Revenue € 995 € 801 € 3,293 € 3,607