Segment Information (Tables)

3 Months Ended

Mar. 31, 2020

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment

The tables below present information about the Company’s reportable segments for the periods indicated (in thousands).

Three Months Ended March 31, 2020	Research		Conferences		Consulting		Consolidated
Revenues	$	909,291	$	13,870	$	95,730	$	1,018,891
Gross contribution	653,469		(6,060)		29,382		676,791
Corporate and other expenses							(552,073)
Operating income							$	124,718

Three Months Ended March 31, 2019	Research		Conferences		Consulting		Consolidated
Revenues	$	825,374	$	51,932	$	93,138	$	970,444
Gross contribution	575,168		18,876		28,718		622,762
Corporate and other expenses							(573,963)
Operating income							$	48,799

Schedule of reconciliation of segment gross contribution to net income (loss)

The table below provides a reconciliation of total segment gross contribution to net income for the periods indicated (in thousands).

	Three Months Ended
	March 31,
	2020		2019
Total segment gross contribution	$	676,791	$	622,762
Costs and expenses:
Cost of services and product development - unallocated (1)	(822)		(1,037)
Selling, general and administrative	496,639		518,770
Depreciation and amortization	54,696		53,458
Acquisition and integration charges	1,560		2,772
Operating income	124,718		48,799
Interest expense and other, net	(27,864)		(25,671)
Loss from divested operations	—		(2,075)
Less: Provision for income taxes	21,757		258
Net income	$	75,097	$	20,795

(1)The unallocated amounts consist of certain bonus and fringe costs recorded in consolidated Cost of services and product development that are not allocated to segment expense. The Company's policy is to allocate bonuses to segments at 100% of a segment employee's target bonus. Amounts above or below 100% are absorbed by corporate.