Segment Information (Details) $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) customer integer	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Segment Reporting [Abstract]
Number Of Largest Customers | customer	2
Segment Revenues
Revenues	$ 5,029.6	$ 3,953.0	$ 3,404.8
Segment Operating Income
Business Segment Operating Income	48.4	(126.0)	(536.6)
Research and development	(50.4)	(53.3)	(38.8)
Operating loss	(281.2)	(459.2)	(812.8)
Textuals [Abstract]
Excess Capacity Costs- B737MAX and A320 Production Schedules	157.3	217.5
Abnormal Costs- COVID19 production suspension	9.6
Restructuring Charges	$ 0.2	8.2	73.0
Number of Reportable Segments | integer	3
Selling, General and Administrative Expense	$ (279.2)	(279.9)	(237.4)
Commercial [Member]
Segment Revenues
Revenues	4,068.4	3,128.1	2,711.3
Segment Operating Income
Business Segment Operating Income	(82.9)	(220.6)	(620.6)
Textuals [Abstract]
Excess Capacity Costs- B737MAX and A320 Production Schedules	149.5	206.7	265.5
Abnormal Costs- COVID19 production suspension	9.6	12.0	33.7
Restructuring Charges	0.2	6.8	64.0
Aviation Manufacturing Jobs Protection Program grant	$ (25.5)	(35.9)
Segment Reporting, Disclosure of Major Customers	Approximately 65%, 60%, and 64% of Commercial segment net revenues came from the Company's contracts with Boeing for the twelve months ended December 31, 2022, 2021, and 2020, respectively. Approximately 27%, 30%, and 28% of Commercial segment net revenues came from the Company's contracts with Airbus for the twelve months ended December 31, 2022, 2021, and 2020, respectively.
Charge related to suspension of activities due to sanctions	$ 24.7
Defense & Space [Member]
Segment Revenues
Revenues	649.8	585.0	491.3
Segment Operating Income
Business Segment Operating Income	72.8	44.3	47.0
Textuals [Abstract]
Excess Capacity Costs- B737MAX and A320 Production Schedules	7.8	10.8	13.4
Restructuring Charges		1.1	3.8
Aviation Manufacturing Jobs Protection Program grant	$ (2.3)	(3.0)
Segment Reporting, Disclosure of Major Customers	Approximately 34%, 36%, and 28% of Defense & Space segment net revenues came from the Company's contracts with an individual customer for the twelve months ended December 31, 2022, 2021, and 2020, respectively. In addition, a customer accounted for approximately 30%, 39%, and 44% of Defense & Space segment net revenues for the twelve months ended December 31, 2022, 2021, and 2020, respectively.
Aftermarket [Member]
Segment Revenues
Revenues	$ 311.4	239.9	202.2
Segment Operating Income
Business Segment Operating Income	58.5	50.3	37.0
Textuals [Abstract]
Restructuring Charges		0.3	$ 5.2
Aviation Manufacturing Jobs Protection Program grant	$ (1.9)	$ (2.2)
Segment Reporting, Disclosure of Major Customers	Approximately 48%, 44%, and 80% of Aftermarket segment net revenues came from the Company's contracts with a single customer for the twelve months ended December 31, 2022, 2021, and 2020, respectively.
Charge related to suspension of activities due to sanctions	$ 4.4