Goodwill

9 Months Ended

Sep. 28, 2018

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

NOTE 3. GOODWILL

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

Balance, December 31, 2017	$	5,098.5
Attributable to 2018 acquisitions	1,661.8
Foreign currency translation & other	(17.0		)
Balance, September 28, 2018	$	6,743.3

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

	September 28, 2018		December 31, 2017
Professional Instrumentation	$	4,992.3	$	3,331.0
Industrial Technologies	1,751.0		1,767.5
Total goodwill	$	6,743.3	$	5,098.5

We have not identified any triggering events which would have indicated a potential impairment of goodwill in the nine months ended September 28, 2018.