| Disaggregation of Operating Revenue |
The tables that follow present the disaggregated operating revenues for the periods indicated: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the Three Months Ended March 31, 2024 | | | Segments | | | | (in thousands) | | Index | | Analytics | | ESG and Climate | | All Other - Private Assets | | Total | | Operating Revenue Types | | | | | | | | | | | | Recurring subscriptions | | $ | 212,952 | | | $ | 160,551 | | | $ | 76,418 | | | $ | 63,134 | | | $ | 513,055 | | | Asset-based fees | | 150,259 | | | — | | | — | | | — | | | 150,259 | | | Non-recurring | | 10,661 | | | 3,415 | | | 1,466 | | | 1,109 | | | 16,651 | | | Total | | $ | 373,872 | | | $ | 163,966 | | | $ | 77,884 | | | $ | 64,243 | | | $ | 679,965 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For the Three Months Ended March 31, 2023 | | | Segments | | | | (in thousands) | | Index | | Analytics | | ESG and Climate | | All Other - Private Assets | | Total | | Operating Revenue Types | | | | | | | | | | | | Recurring subscriptions | | $ | 196,678 | | | $ | 144,503 | | | $ | 65,732 | | | $ | 38,334 | | | $ | 445,247 | | | Asset-based fees | | 133,126 | | | — | | | — | | | — | | | 133,126 | | | Non-recurring | | 9,578 | | | 2,567 | | | 1,326 | | | 374 | | | 13,845 | | | Total | | $ | 339,382 | | | $ | 147,070 | | | $ | 67,058 | | | $ | 38,708 | | | $ | 592,218 | | | | | | | | | | | | |
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| Schedule of Change in Accounts Receivable and Current Deferred Revenue |
The tables that follow present the change in accounts receivable, net of allowances, and current deferred revenue between the dates indicated: | | | | | | | | | | | | | | | | (in thousands) | | Accounts receivable, net of allowances | | Deferred revenue | Opening (December 31, 2023) | | $ | 839,555 | | | $ | 1,083,864 | | Closing (March 31, 2024) | | 745,611 | | | 1,053,961 | | | Increase/(decrease) | | $ | (93,944) | | | $ | (29,903) | | | | | | |
| | | | | | | | | | | | | | | | (in thousands) | | Accounts receivable, net of allowances | | Deferred revenue | Opening (December 31, 2022) | | $ | 663,236 | | | $ | 882,886 | | Closing (March 31, 2023) | | 641,584 | | | 920,255 | | | Increase/(decrease) | | $ | (21,652) | | | $ | 37,369 | | | | | | |
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| Schedule of Remaining Performance Obligations |
The remaining performance obligations for contracts that have a duration of greater than one year and the periods in which they are expected to be recognized are as follows: | | | | | | | | | | | As of | | | March 31, | | (in thousands) | | 2024 | First 12-month period | | $ | 843,534 | | Second 12-month period | | 519,558 | | Third 12-month period | | 246,238 | | | Periods thereafter | | 171,962 | | | Total | | $ | 1,781,292 | | | | |
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