Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2012

Changes to Carrying Amount of Goodwill by Reporting Unit

The following table presents changes to the carrying amount of goodwill by reporting unit during the six months ended June 30, 2012 (in thousands):

	Research			Consulting		Events			Total
Balance, December 31, 2011	$	366,980		$	99,677	$	41,893		$	508,550
Addition due to acquisition (1)		7,455			—		—			7,455
Foreign currency translation adjustments		(1,005	)		34		(32	)		(1,003	)
Balance, June 30, 2012 (2)	$	373,430		$	99,711	$	41,861		$	515,002

(1)	The Company acquired Ideas International in the second quarter of 2012 and recorded $7.5 million of goodwill. All of the recorded goodwill resulting from the acquisition has been included in the Research segment. See Note 2—Acquisition above for additional information.
(2)	The Company does not have any accumulated goodwill impairment losses.

Carrying Amounts of Amortizable Intangible Assets

The following tables present the carrying amounts of amortizable intangible assets as of the periods indicated (in thousands):

June 30, 2012	Trade Name			Customer Relationships			Content			Software			Total
Gross cost (1)	$	6,006		$	10,468		$	3,269		$	1,887		$	21,630
Accumulated amortization (2)		(2,890	)		(4,569	)		(68	)		(51	)		(7,578	)
Net	$	3,116		$	5,899		$	3,201		$	1,836		$	14,052
December 31, 2011	Trade Name			Customer Relationships			Total
Gross cost	$	5,758		$	7,210		$	12,968
Accumulated amortization (2)		(2,303	)		(3,605	)		(5,908	)
Net	$	3,455		$	3,605		$	7,060

(1)	The Company acquired Ideas International in the second quarter of 2012 and recorded $8.4 million of amortizable intangible assets, allocated as follows: Trade Name—$0.2 million; Customer Relationships—$3.2 million; Content—$3.2 million; and Software—$1.8 million.
(2)	Intangible assets are being amortized against earnings over the following periods: Trade name—2 to 5 years; Customer relationships—4 years; Content—4 years; Software—3 years.

Estimated Future Amortization Expense by Year from Amortizable Intangibles

The estimated future amortization expense by year from amortizable intangibles is as follows (in thousands):

2012 (remaining six months)	$	2,660
2013		5,300
2014		3,425
2015		1,840
2016		827
	$	14,052