Goodwill and Purchased Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill

The following table presents goodwill activity (in millions):

Balance as of December 31, 2016	$	3,081.7
Other(*)	(2.3		)
Balance as of June 30, 2017	$	3,079.4

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^(*) Other primarily consists of certain purchase accounting adjustments related to previously completed business combinations.