Segment Information (Tables)

12 Months Ended

Dec. 31, 2021

Segment Reporting [Abstract]

Operating Revenues by Reportable Segment

The following table presents operating revenues by reportable segment for the periods indicated:

		Years Ended
		December 31,		December 31,		December 31,
		2021		2020		2019
	(in thousands)
Operating revenues
Index		$	1,251,764	$	1,016,495	$	920,937
Analytics			544,299		513,808		496,925
ESG and Climate			166,192		111,364		90,659
All Other - Private Assets			81,289		53,723		49,275
Total		$	2,043,544	$	1,695,390	$	1,557,796

Segment Profitability and Reconciliation to Net Income

The following table presents segment profitability and a reconciliation to net income for the periods indicated:

		Years Ended
		December 31,		December 31,		December 31,
		2021		2020		2019
	(in thousands)
Index Adjusted EBITDA		$	951,312	$	766,493	$	670,188
Analytics Adjusted EBITDA			198,799		172,924		152,113
ESG and Climate Adjusted EBITDA			29,748		22,851		21,813
All Other - Private Assets Adjusted EBITDA			16,931		9,242		6,385
Total operating segment profitability			1,196,790		971,510		850,499
Amortization of intangible assets			80,592		56,941		49,410
Depreciation and amortization of property,    equipment and leasehold improvements			28,901		29,805		29,999
Impairment related to sublease of leased property			7,702		—		—
Acquisition-related integration and   transaction costs (1)			6,870		—		—
2016 Multi-Year PSUs grant payroll tax expense			—		—		15,389
Operating income			1,072,725		884,764		755,701
Other expense (income), net			214,589		198,539		152,383
Provision for income taxes			132,153		84,403		39,670
Net income		$	725,983	$	601,822	$	563,648

⁽¹⁾ Incremental and non-recurring costs attributable to acquisitions directly related to the execution of the transaction and integration of the acquired business that have occurred no later than 12 months after the close of the transaction.

Operating Revenues by Geographic Area

Operating revenues by geography are based on the shipping address of the ultimate customer utilizing the product. The following table presents revenue by geographic area for the periods indicated:

	Years Ended
	December 31,		December 31,		December 31,
(in thousands)	2021			2020	2019
Operating revenues
Americas:
United States	$	836,880	$	723,962	$	698,105
Other		85,744		71,408		65,997
Total Americas		922,624		795,370		764,102
Europe, the Middle East and Africa ("EMEA"):
United Kingdom		344,976		262,188		234,926
Other		454,239		364,547		325,221
Total EMEA		799,215		626,735		560,147
Asia & Australia:
Japan		91,419		80,591		71,629
Other		230,286		192,694		161,918
Total Asia & Australia		321,705		273,285		233,547
Total	$	2,043,544	$	1,695,390	$	1,557,796

Long-Lived Assets by Geographic Area

Long-lived assets consist of property, equipment and leasehold improvements, right of use assets and internally developed capitalized software, net of accumulated depreciation and amortization. The following table presents long-lived assets by geographic area on the dates indicated:

	As of
	December 31,		December 31,
	2021		2020
	(in thousands)
Long-lived assets
Americas:
United States	$	167,870	$	182,776
Other		13,480		13,949
Total Americas		181,350		196,725
EMEA:
United Kingdom		19,563		19,678
Other		34,240		33,561
Total EMEA		53,803		53,239
Asia & Australia:
Japan		1,150		1,896
Other		31,873		37,946
Total Asia & Australia		33,023		39,842
Total	$	268,176	$	289,806