Goodwill (Tables)

9 Months Ended

Sep. 29, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

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

Balance, December 31, 2016	$	3,979.0
Attributable to 2017 acquisitions	576.3
Foreign currency translation & other	77.0
Balance, September 29, 2017	$	4,632.3

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

	September 29, 2017		December 31, 2016
Professional Instrumentation	$	2,863.8	$	2,423.7
Industrial Technologies	1,768.5		1,555.3
Total goodwill	$	4,632.3	$	3,979.0