Segment Information (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of segment reporting information, by segment

The following tables present information about the Company’s reportable segments for the periods indicated (in thousands) (1):



Three Months Ended June 30, 2019	Research		Conferences		Consulting		Consolidated
Revenues	$	826,055	$	141,174	$	103,653	$	1,070,882
Gross contribution	572,297		80,570		34,236		687,103
Corporate and other expenses							(571,101		)
Operating income							$	116,002



Three Months Ended June 30, 2018	Research		Conferences		Consulting		Other		Consolidated
Revenues	$	770,314	$	111,253	$	96,458	$	23,311	$	1,001,336
Gross contribution	532,910		63,461		33,693		15,104		645,168
Corporate and other expenses									(559,072		)
Operating income									$	86,096



Six Months Ended June 30, 2019	Research		Conferences		Consulting		Consolidated
Revenues	$	1,651,429	$	193,106	$	196,791	$	2,041,326
Gross contribution	1,147,465		99,446		62,954		1,309,865
Corporate and other expenses							(1,145,064		)
Operating income							$	164,801



Six Months Ended June 30, 2018	Research		Conferences		Consulting		Other		Consolidated
Revenues	$	1,534,238	$	157,340	$	179,354	$	93,969	$	1,964,901
Gross contribution	1,064,367		79,651		57,817		58,148		1,259,983
Corporate and other expenses									(1,182,598		)
Operating income									$	77,385

(1) During 2018, the Company divested all of the non-core businesses that comprised its Other segment and as a result, no operating activity has been recorded in the Other segment in 2019.

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

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



	Three Months Ended					Six Months Ended
	June 30,					June 30,
	2019			2018		2019			2018
Total segment gross contribution	$	687,103		$	645,168	$	1,309,865		$	1,259,983
Costs and expenses:
Cost of services and product development - unallocated (1)	4,220			11,469		3,183			19,928
Selling, general and administrative	514,976			460,803		1,033,746			948,548
Depreciation and amortization	52,263			66,838		105,721			134,894
Acquisition and integration charges (credits)	(358		)	19,962		2,414			79,228
Operating income	116,002			86,096		164,801			77,385
Interest expense and other, net	24,996			36,484		50,667			70,644
Gain (loss) from divested operations	—			25,460		(2,075		)	25,460
(Benefit) provision for income taxes	(12,400		)	28,802		(12,142		)	5,518
Net income	$	103,406		$	46,270	$	124,201		$	26,683

(1)

The unallocated amounts consist of certain bonus and related fringe costs recorded in consolidated Cost of services and product development expense that are not allocated to segment expense. The Company's policy is to only allocate bonus and related fringe charges to segments for up to 100% of the segment employee's target bonus. Amounts above 100% are absorbed by corporate.