v3.25.1
Segment Information - Schedule of Operating Segments (Details) - EUR (€)
€ in Thousands
 3 Months Ended 6 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2025
Mar. 31, 2024
Disclosure of operating segments [line items]        
Profit before tax € 149,711 € 105,122 € 188,963 € 104,641
Finance costs, net (25,612) (27,389) (50,390) (63,439)
Depreciation and amortization (27,312) (24,136) (53,504) (47,384)
EBITDA 202,635 156,647 292,857 215,464
Foreign exchange loss 2,570 (5,483) (9,301) (17,138)
IPO-related costs   (166)   (7,459)
Share-based compensation expenses       (3,591)
Adjusted EBITDA 200,065 162,296 302,158 243,652
Revenue 574,330 481,244 936,049 784,168
Total Reportable Segments        
Disclosure of operating segments [line items]        
Adjusted EBITDA 211,224 165,783 318,608 252,657
Revenue 573,189 480,297 933,751 781,362
Total Reportable Segments | Americas        
Disclosure of operating segments [line items]        
Adjusted EBITDA 112,859 93,098 179,251 144,651
Revenue 312,524 254,046 523,224 435,499
Total Reportable Segments | EMEA        
Disclosure of operating segments [line items]        
Adjusted EBITDA 81,057 62,689 107,848 87,155
Revenue 212,845 189,519 315,604 277,047
Total Reportable Segments | APAC        
Disclosure of operating segments [line items]        
Adjusted EBITDA 17,308 9,996 31,509 20,851
Revenue 47,820 36,732 94,923 68,816
Corporate / Other        
Disclosure of operating segments [line items]        
Adjusted EBITDA (11,159) (3,487) (16,450) (9,005)
Revenue € 1,141 € 947 € 2,298 € 2,806