Revenue - Schedule of Revenue by Market (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	$ 286.9	$ 572.5	$ 1,206.6	$ 1,791.4
Commercial Aerospace
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	128.8	385.9	695.6	1,217.9
Space & Defense
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	108.8	109.8	328.8	329.4
Industrial
Disaggregation Of Revenue [Line Items]
Consolidated Net Sales	$ 49.3	$ 76.8	$ 182.2	$ 244.1

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details