v3.26.1
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment revenues:        
Total revenues $ 674,188 $ 536,415 $ 1,877,824 $ 1,475,118
Segment operating expense (311,560) (273,897) (878,682) (787,424)
Operating income 362,628 262,518 999,142 687,694
Unallocated share-based compensation expense (52,331) (41,930) (141,910) (124,288)
Unallocated interest expense, net (59,877) (32,899) (146,462) (93,765)
Unallocated other income, net 11,908 7,372 9,939 6,207
Income before income taxes 314,659 236,991 862,619 600,136
Operating Segments        
Segment revenues:        
Segment operating expense (202,262) (183,762) (584,361) (529,658)
Operating income 471,926 352,653 1,293,463 945,460
Unallocated Corporate Expenses        
Segment revenues:        
Segment operating expense (56,967) (48,205) (152,411) (133,478)
Scores        
Segment revenues:        
Total revenues 458,897 324,309 1,238,404 857,023
Scores | Operating Segments        
Segment revenues:        
Total revenues 458,897 324,309 1,238,404 857,023
Segment operating expense (42,011) (39,598) (121,189) (103,571)
Operating income 416,886 284,711 1,117,215 753,452
Software        
Segment revenues:        
Total revenues 215,291 212,106 639,420 618,095
Software | Operating Segments        
Segment revenues:        
Total revenues 215,291 212,106 639,420 618,095
Segment operating expense (160,251) (144,164) (463,172) (426,087)
Operating income 55,040 67,942 176,248 192,008
On-premises and SaaS software        
Segment revenues:        
Total revenues 196,969 187,915 584,421 557,752
On-premises and SaaS software | Operating Segments        
Segment revenues:        
Total revenues     584,421  
On-premises and SaaS software | Scores | Operating Segments        
Segment revenues:        
Total revenues 0 0 0 0
On-premises and SaaS software | Software        
Segment revenues:        
Total revenues 196,969 187,915 584,421 557,752
On-premises and SaaS software | Software | Operating Segments        
Segment revenues:        
Total revenues 196,969 187,915 584,421 557,752
Professional services        
Segment revenues:        
Total revenues 18,322 24,191 54,999 60,343
Professional services | Operating Segments        
Segment revenues:        
Total revenues     54,999  
Professional services | Scores | Operating Segments        
Segment revenues:        
Total revenues 0 0 0 0
Professional services | Software | Operating Segments        
Segment revenues:        
Total revenues 18,322 24,191 54,999 60,343
Scores        
Segment revenues:        
Total revenues 458,897 324,309 1,238,404 857,023
Scores | Operating Segments        
Segment revenues:        
Total revenues     1,238,404  
Scores | Scores | Operating Segments        
Segment revenues:        
Total revenues 458,897 324,309 1,238,404 857,023
Scores | Software | Operating Segments        
Segment revenues:        
Total revenues $ 0 $ 0 $ 0 $ 0