v3.23.2
SEGMENT INFORMATION - Segment Profitability and Reconciliation to Net Income (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Mar. 31, 2023
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2023
Jun. 30, 2022
Segment Reporting Information [Line Items]            
Adjusted EBITDA $ 377,306   $ 331,144   $ 722,035 $ 649,688
Amortization of intangible assets 26,154   22,179   50,821 43,899
Depreciation and amortization of property, equipment and leasehold improvements 5,199   6,765   10,659 13,299
Acquisition-related integration and transaction costs 0   1,819   0 3,131
Operating income 345,953   300,381   660,555 589,359
Other expense (income), net 38,795   40,349   77,025 80,384
Provision for income taxes 60,333   49,445   97,977 69,965
Net income 246,825 $ 238,728 210,587 $ 228,423 485,553 439,010
Index            
Segment Reporting Information [Line Items]            
Adjusted EBITDA 277,070   245,170   530,752 491,045
Analytics            
Segment Reporting Information [Line Items]            
Adjusted EBITDA 65,149   62,961   125,929 113,850
ESG and Climate            
Segment Reporting Information [Line Items]            
Adjusted EBITDA 22,798   14,332   40,674 26,424
All Other - Private Assets            
Segment Reporting Information [Line Items]            
Adjusted EBITDA $ 12,289   $ 8,681   $ 24,680 $ 18,369