Restructuring, Impairment and Transaction-Related Charges (Schedule of Restructuring Reserves) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Restructuring Reserve [Roll Forward]
Balance, beginning of period	$ 40.9
Expense, net	2.6
Cash payments, net	0.7
Non-cash adjustments/reclassifications and translation	(5.4)
Balance, end of period	38.8
Other Current Liabilities
Restructuring Reserve [Roll Forward]
Balance, beginning of period	33.1
Balance, end of period	31.1
Short-term restructuring reserve	(31.1)
Accounts Payable
Restructuring Reserve [Roll Forward]
Short-term restructuring reserve	(0.7)
Other Long-Term Liabilities
Restructuring Reserve [Roll Forward]
Balance, beginning of period	7.2
Balance, end of period	7.0
Long-term restructuring reserve	(7.0)
Employee Termination Charges
Restructuring Reserve [Roll Forward]
Balance, beginning of period	14.6
Expense, net	4.7
Cash payments, net	(5.6)
Non-cash adjustments/reclassifications and translation	(0.4)
Balance, end of period	13.3
Impairment Charges
Restructuring Reserve [Roll Forward]
Balance, beginning of period	0.0
Expense, net	0.8
Cash payments, net	0.0
Non-cash adjustments/reclassifications and translation	(0.8)
Balance, end of period	0.0
Transaction-Related Charges
Restructuring Reserve [Roll Forward]
Balance, beginning of period	0.5
Expense, net	0.2
Cash payments, net	(0.3)
Non-cash adjustments/reclassifications and translation	0.0
Balance, end of period	0.4
Other Restructuring Charges
Restructuring Reserve [Roll Forward]
Balance, beginning of period	25.8
Expense, net	(3.1)
Cash payments, net	6.6
Non-cash adjustments/reclassifications and translation	(4.2)
Balance, end of period	$ 25.1