Segment Information (Tables)

3 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment

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

Three Months Ended March 31, 2014	Research		Consulting		Events		Consolidated
Revenues	$	348,114	$	84,271	$	14,317	$	446,702
Gross contribution	246,101		30,338		2,963		279,402
Corporate and other expenses							(220,232		)
Operating income							$	59,170

Three Months Ended March 31, 2013	Research		Consulting		Events		Consolidated
Revenues	$	310,331	$	72,633	$	23,790	$	406,754
Gross contribution	215,214		22,538		7,108		244,860
Corporate and other expenses							(190,855		)
Operating income							$	54,005

Schedule of reconciliation of segment gross contribution to net income

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

	Three Months Ended
	March 31,
	2014		2013
Total segment gross contribution	$	279,402	$	244,860
Costs and expenses:
Cost of services and product development - unallocated (1)	3,521		1,843
Selling, general and administrative	204,617		180,478
Depreciation and amortization	8,738		8,434
Acquisition and integration charges	3,356		100
Operating income	59,170		54,005
Interest expense and other	2,479		2,225
Provision for income taxes	18,955		15,105
Net income	$	37,736	$	36,675

(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.