Other Expense, Net (Tables)

3 Months Ended

Mar. 31, 2016

Other Income and Expenses [Abstract]

Schedule of other expense

	Three Months Ended March 31,
(in millions)	2016			2015
Restructuring expense	$	6.4		$	12.1
Merger and acquisition expense	5.8			—
Gain on previously held equity interest	—			(10.8		)
Other income	(0.5		)	(0.1		)
Other expense, net	$	11.7		$	1.2