Goodwill

3 Months Ended

Mar. 31, 2013

Goodwill.

Goodwill

4.  Goodwill

The change in the carrying amount of goodwill for the three months ended March 31, 2013 is as follows:

	(in millions)
Balance as of December 31, 2012	$	1,314.6
Effect of foreign currency translation	(2.2		)
Balance as of March 31, 2013	$	1,312.4

We had no accumulated impairment losses related to goodwill as of March 31, 2013.