Goodwill (Tables)

9 Months Ended

Sep. 30, 2011

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill [Table Text Block]

A reconciliation of the changes in the carrying amount of goodwill and accumulated impairment losses, by reportable segment, for the nine months ended September 30, 2011, is as follows:

(in thousands)	Data and Analytics			Business and Information Services			Consolidated
Balance at December 31, 2010
Goodwill	$	603,516		$	693,897		$	1,297,413
Accumulated impairment losses	(600		)	(6,925		)	(7,525		)
Goodwill, net	$	602,916		$	686,972		$	1,289,888
Acquisitions	176,231			18,898			195,129
Translation adjustments	(16,354		)	—			(16,354		)
Balance at September 30, 2011
Goodwill, net	$	762,793		$	705,870		$	1,468,663