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v3.25.2

Segment and Geographical Area Information (Details) (Table 3) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | $ 33.2 | $ 31.5 | $ 66.0 | $ 60.7
Stock-based compensation expense |  |  | 27.5 | 25.6
Operating Segments |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | 28.4 | 27.1 | 56.1 | 52.1
Operating Segments | Morningstar Data and Analytics Segment |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | 11.2 | 9.5 | 22.0 | 17.7
Operating Segments | PitchBook Segment |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | 8.1 | 8.3 | 15.9 | 15.7
Operating Segments | Morningstar Credit Segment |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | 4.4 | 5.0 | 8.9 | 9.7
Operating Segments | Morningstar Wealth Segment |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | 2.0 | 1.7 | 4.0 | 3.6
Operating Segments | Morningstar Retirement Segment |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | 2.7 | 2.6 | 5.3 | 5.4
Operating Segments | Corporate and Other |  |  |  |
Segment, Reconciliation of Other Items from Segments to Consolidated [Line Items] |  |  |  |
Depreciation | $ 4.8 | $ 4.4 | $ 9.9 | $ 8.6

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