Goodwill (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill.

Schedule of changes in the carrying amount of goodwill

	(in millions)
Balance at January 1, 2016	$	1,724.8
Acquisition		96.0
Effect of foreign currency translation		3.8
Balance at March 31, 2016	$	1,824.6