Other Expense, Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Lease termination settlement	$ 5.3	$ 0.0
Merger and acquisition expense	0.0	5.8
Restructuring expense	0.0	6.4
Other income		(0.5)
Other Expenses	0.5
Other expense, net	$ 5.8	$ 11.7