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Goodwill

9 Months Ended

Sep. 30, 2017

Goodwill.

Goodwill

4.  Goodwill

The change in the carrying amount of goodwill is as follows:

	(in millions)
Balance at January 1, 2017	$	1,827.4
Acquisition		1.3
Effect of foreign currency translation		5.3
Balance at September 30, 2017	$	1,834.0

We had no accumulated impairment losses related to goodwill at September 30, 2017. 

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The entire disclosure for goodwill.

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