Pensions - Additional Information (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Defined Benefit Plan Disclosure [Line Items]
Withdrawal liability from IAM National Pension Fund	$ 0.3	$ 2.4
U.S. Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	1.9	5.0
Non-U.S. Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Employer contributions	0.9	$ 1.0
Estimated employer contributions remaining in current year	$ 0.2