Summary of Significant Accounting Policies - Property, Plant and Equipment (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property, plant and equipment, at cost	$ 7,871.5	$ 7,313.5
Less accumulated depreciation	(4,342.5)	(4,120.1)
Property, plant and equipment, net	3,529.0	3,193.4
Land and Land Improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, at cost	189.8	179.6
Buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, at cost	938.7	858.5
Machinery and Equipment
Property Plant And Equipment [Line Items]
Property, plant and equipment, at cost	6,159.1	5,826.6
Construction in Progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, at cost	481.0	360.0
Other
Property Plant And Equipment [Line Items]
Property, plant and equipment, at cost	$ 102.9	$ 88.8