Restructuring and Other Charges - Included in Cost of Revenues and Restructuring and Other Charges (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ (4.1)	$ 208.5	$ 47.5
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	(3.5)	41.5	8.4
Operating expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	(0.6)	167.0	39.1
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	0.4	52.6	22.9
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	(1.0)	14.4	10.0
Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	0.0	2.3	14.6
Asset impairments and write-down [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and other charges	$ (3.5)	$ 139.2	$ 0.0