Restructuring and Related Expenses - Reconciliation of Restructuring Reserve (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Reserve [Roll Forward]
Liability, beginning of period	$ 4.2	$ 58.2
Charges	17.2	52.2
Cash settlements	(9.4)	(79.4)
Adjustments to previous estimates	(5.2)	(1.5)
Non Cash Activity	0.0	(25.3)
Liability, end of period	6.8	4.2	$ 58.2
Restructuring Reserve, Current	6.8	4.2
Restructuring expenses	12.0	50.7	286.5
Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning of period	4.2	53.8
Charges	14.2	5.8
Cash settlements	(9.3)	(54.2)
Adjustments to previous estimates	(5.8)	(1.2)
Non Cash Activity	0.0	0.0
Liability, end of period	3.3	4.2	53.8
Restructuring expenses	8.4	4.6	87.3
Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning of period	0.0	4.4
Charges	3.0	21.1
Cash settlements	(0.1)	(25.2)
Adjustments to previous estimates	0.6	(0.3)
Non Cash Activity	0.0	0.0
Liability, end of period	3.5	0.0	4.4
Restructuring expenses	3.6	20.8	19.9
Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Liability, beginning of period	0.0	0.0
Charges	0.0	25.3
Cash settlements	0.0	0.0
Adjustments to previous estimates	0.0	0.0
Non Cash Activity	0.0	(25.3)
Liability, end of period	0.0	0.0	0.0
Restructuring expenses	0.0	25.3	179.3
Cost of Sales [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	5.8	152.1
Cost of Sales [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Cost of Sales [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Cost of Sales [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	5.8	152.1
Research and Development Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.1	16.3
Research and Development Expense [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Research and Development Expense [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Research and Development Expense [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.1	16.3
Selling, General and Administrative Expenses [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	19.4	10.9
Selling, General and Administrative Expenses [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Selling, General and Administrative Expenses [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Selling, General and Administrative Expenses [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	19.4	10.9
Restructuring Expense [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	12.0	25.5	104.6
Restructuring Expense [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	8.4	4.6	87.3
Restructuring Expense [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	3.6	20.9	17.3
Restructuring Expense [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Other Income [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	(0.1)	2.6
Other Income [Member] | Employee Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	0.0	0.0
Other Income [Member] | Other Restructuring [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	0.0	(0.1)	2.6
Other Income [Member] | Facility Closing [Member]
Restructuring Reserve [Roll Forward]
Restructuring expenses	$ 0.0	$ 0.0	$ 0.0