Revenue - Schedule of Revenue by Market (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	$ 333.8	$ 286.9	$ 964.4	$ 1,206.6
Commercial Aerospace
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	167.2	128.8	468.5	695.6
Space & Defense
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	110.4	108.8	329.0	328.8
Industrial
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	$ 56.2	$ 49.3	$ 166.9	$ 182.2