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v3.25.3

Revenue from Contracts with Customers - Disaggregated Revenue (Details) $ in Thousands | 12 Months Ended
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Sep. 30, 2025 USD ($) customer | Sep. 30, 2024 USD ($) | Sep. 30, 2023 USD ($)
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 1,990,869 | $ 1,717,526 | $ 1,513,557
Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 100.00% | 100.00% | 100.00%
Revenue from Contract with Customer Benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 100.00% | 100.00% | 100.00%
Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Concentration risk, number of customers | customer | 3 |  |
Scores |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 1,168,575 | $ 919,650 | $ 773,828
Scores | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 100.00% | 100.00% | 100.00%
Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 822,294 | $ 797,876 | $ 739,729
TransUnion Equifax and Experian customers | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 51.00% | 45.00% | 41.00%
TransUnion | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 10.00% | 10.00% | 10.00%
Equifax | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 10.00% | 10.00% | 10.00%
Experian | Revenue from Contract with Customer Benchmark | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 10.00% | 10.00% | 10.00%
One Customer | Accounts Receivable | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage |  | 10.00% |
Two Customers | Accounts Receivable | Customer Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 10.00% |  |
On-premises software | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 43.00% | 44.00% | 46.00%
On-premises software | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 320,425 | $ 313,632 | $ 292,763
SaaS software | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 57.00% | 56.00% | 54.00%
SaaS software | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 419,720 | $ 397,708 | $ 347,419
On-premises and SaaS software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 740,145 | $ 711,340 | $ 640,182
On-premises and SaaS software | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 100.00% | 100.00% | 100.00%
On-premises and SaaS software | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 740,145 | $ 711,340 | $ 640,182
On-premises and SaaS software | Transferred at Point in Time | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 12.00% | 11.00% | 11.00%
On-premises and SaaS software | Transferred at Point in Time | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 90,238 | $ 76,284 | $ 72,843
On-premises and SaaS software | Transferred over Time | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 88.00% | 89.00% | 89.00%
On-premises and SaaS software | Transferred over Time | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 649,907 | $ 635,056 | $ 567,339
Platform software | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 32.00% | 28.00% | 24.00%
Platform software | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 237,056 | $ 200,004 | $ 154,750
Non-platform software | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 68.00% | 72.00% | 76.00%
Non-platform software | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 503,089 | $ 511,336 | $ 485,432
Business-to-business Scores | Scores |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 948,595 | $ 711,843 | $ 560,995
Business-to-business Scores | Scores | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 81.00% | 77.00% | 72.00%
Business-to-consumer Scores | Scores |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 219,980 | $ 207,807 | $ 212,833
Business-to-consumer Scores | Scores | Revenue from Contract with Customer Benchmark | Product Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 19.00% | 23.00% | 28.00%
Americas |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 1,732,385 | $ 1,449,888 | $ 1,286,950
Americas | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 87.00% | 84.00% | 85.00%
Americas | Scores |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 1,154,470 | $ 905,266 | $ 763,874
Americas | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | 577,915 | 544,622 | 523,076
EMEA |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 159,803 | $ 169,526 | $ 141,364
EMEA | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 8.00% | 10.00% | 9.00%
EMEA | Scores |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 6,984 | $ 5,908 | $ 5,802
EMEA | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | 152,819 | 163,618 | 135,562
Asia Pacific |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 98,681 | $ 98,112 | $ 85,243
Asia Pacific | Revenue from Contract with Customer Benchmark | Geographic Concentration Risk |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Percentage | 5.00% | 6.00% | 6.00%
Asia Pacific | Scores |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 7,121 | $ 8,476 | $ 4,152
Asia Pacific | Software |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Total revenues | $ 91,560 | $ 89,636 | $ 81,091

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