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Segment Information (Details) $ in Millions	3 Months Ended		9 Months Ended
Segment Information (Details) $ in Millions	Sep. 29, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 29, 2022 USD ($) segment	Sep. 30, 2021 USD ($)
Segment Reporting Information [Line Items]
Restructuring Charges	$ 0.0	$ 0.8	$ 0.2	$ 8.1
Excess Capacity Costs- B737MAX and A320 Production Schedules	31.4		126.1
Abnormal Costs- COVID19 production suspension	0.3		9.8
Cost of Goods and Services Sold	1,194.0	1,036.2	3,611.4	3,009.4
Segment Revenues
Segment Revenues	1,276.9	980.0	3,709.5	2,882.9
Segment Operating Income
Business Segment Operating Income	82.9	(57.0)	97.9	(134.6)
Segment Information Unallocated Corporate Selling General And Administrative	(69.1)	(86.8)	(203.8)	(211.3)
Segment Information Unallocated Research And Development	(9.3)	(12.8)	(36.5)	(34.3)
Operating income (loss)	$ 4.5	(156.6)	$ (142.4)	(380.2)
Segment Reporting Information, Additional Information [Abstract]
Number Of Principal Segments \| segment			3
Percentage Of Net Revenue Derived From Two Largest Customers	83.00%		82.00%
Cost of Sales \| Russia and Ukraine Conflict
Segment Reporting Information [Line Items]
Cost of Goods and Services Sold			$ 28.1
Commercial Segment [Member]
Segment Revenues
Segment Revenues	$ 1,034.9	784.1	3,004.4	2,283.8
Segment Operating Income
Business Segment Operating Income	45.0	(72.8)	$ (3.5)	(200.4)
Segment Reporting Information, Additional Information [Abstract]
Segment Reporting, Disclosure of Major Customers			Approximately 65% and 60% of Commercial segment net revenues came from the Company's contracts with Boeing for the nine months ended September 29, 2022, and September 30, 2021, respectively. Approximately 27% and 30% of Commercial segment net revenues came from the Company's contracts with Airbus for the nine months ended September 29, 2022, and September 30, 2021, respectively.
Commercial Segment [Member] \| Cost of Sales \| Russia and Ukraine Conflict
Segment Reporting Information [Line Items]
Cost of Goods and Services Sold			$ 23.9
Defense & Space Segment [Member]
Segment Revenues
Segment Revenues	161.7	137.8	466.6	433.0
Segment Operating Income
Business Segment Operating Income	18.4	7.9	$ 52.1	32.3
Segment Reporting Information, Additional Information [Abstract]
Segment Reporting, Disclosure of Major Customers			A significant portion of Defense & Space segment net revenues came from the Company's contracts with two individual customers for the nine months ended September 29, 2022, and September 30, 2021.
Aftermarket Segment [Member]
Segment Revenues
Segment Revenues	80.3	58.1	$ 238.5	166.1
Segment Operating Income
Business Segment Operating Income	$ 19.5	$ 7.9	$ 49.3	$ 33.5
Segment Reporting Information, Additional Information [Abstract]
Segment Reporting, Disclosure of Major Customers			Approximately 47% and 43% of Aftermarket segment net revenues came from the Company's contracts with a single customer for the nine months ended September 29, 2022, and September 30, 2021, respectively.
Aftermarket Segment [Member] \| Cost of Sales \| Russia and Ukraine Conflict
Segment Reporting Information [Line Items]
Cost of Goods and Services Sold			$ 4.2