Other Expense, Net (Tables)

6 Months Ended

Jun. 30, 2016

Other Income and Expenses [Abstract]

Schedule of other expense

	Three Months Ended June 30,						Six Months Ended June 30,
(in millions)	2016			2015			2016			2015
Restructuring expense	$	19.2		$	19.9		$	25.6		$	32.0
Merger and acquisition expense	7.2			—			13.0			—
Gain on previously held equity interest	—			—			—			(10.8		)
Other income	(1.4		)	(0.8		)	(1.9		)	(0.9		)
Other expense, net	$	25.0		$	19.1		$	36.7		$	20.3