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Goodwill | 3 Months Ended
--- | ---
Mar. 31, 2012
Goodwill |
Goodwill |
4. Goodwill The change in the carrying amount of goodwill for the three months ended March 31, 2012 is as follows:
|  | (in millions) |
Balance as of December 31, 2011 |  | $ | 1,244.3 |
Acquisition |  | 3.1 |
Effect of foreign currency translation |  | 2.2 |
Balance as of March 31, 2012 |  | $ | 1,249.6 |
We had no accumulated impairment losses related to goodwill as of March 31, 2012.

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- Definition The entire disclosure for goodwill. + References No definition available. + Details
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