Restructuring Activities - Additional Information (Details) $ in Millions	Sep. 30, 2021 USD ($)
Employee retention, severance and benefits and lease termination costs
Restructuring Cost and Reserve [Line Items]
Costs incurred to date	$ 9.6
Post-Divestiture Restructuring Plan
Restructuring Cost and Reserve [Line Items]
Costs incurred to date	10.6
Restructuring cost capitalized	4.7
2020 Restructuring
Restructuring Cost and Reserve [Line Items]
Costs incurred to date	$ 38.0