Acquisitions (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Purchase Price Allocation

The following table summarizes the allocation of the purchase price for all acquisitions made in the three years ended December 31, 2012, in thousands:

	2012			2011			2010
Goodwill	$	129,156		$	22,522		$	13,305
Intangible assets with definite lives(1)		111,864			21,567			5,211
Net liabilities(2)		(28,913	)		(590	)		(1,558	)
Total(3)	$	212,107		$	43,499		$	16,958

(1) For 2012, acquired intangible assets primarily consist of customer and supplier relationship assets. In total, the weighted average life of acquired intangible assets during 2012, 2011 and 2010 was 8.1 years, 3.7 years and 3.5 years.

(2) Includes cash acquired of $13 million, $6 million and $1 million during 2012, 2011 and 2010.

(3) As of December 31, 2011, $3 million of the total purchase price was accrued with the remainder paid in cash during the respective years.