NOTE 3. GOODWILL

The following is a rollforward of our goodwill ($ in millions):



Balance, December 31, 2016	$	3,979.0
Foreign currency translation & other	53.1
Balance, June 30, 2017	$	4,032.1

The carrying value of goodwill by segment is summarized as follows ($ in millions):



	June 30, 2017		December 31, 2016
Professional Instrumentation	$	2,457.8	$	2,423.7
Industrial Technologies	1,574.3		1,555.3
Total goodwill	$	4,032.1	$	3,979.0

We have not identified any “triggering” events which would have indicated a potential impairment of goodwill in the six months ended June 30, 2017.