Restructuring and Relocation Activities - Restructuring Activities (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Continuing Operations
Restructuring charges	$ 2.0	$ 0.9	$ 3.9	$ 0.7
Total Charges	12.2	6.8	16.3	12.9
Capital Expenditures	4.0	37.9	13.9	57.0
Continuing Operations
Continuing Operations
Other associated costs	5.9	4.1	9.8	8.0
Restructuring charges	2.0	0.9	3.9	0.7
Total Charges	7.9	5.0	13.7	8.7
Discontinued Operations
Continuing Operations
Total Charges	$ 4.3	$ 1.8	$ 2.6	$ 4.2