Summary of Significant Accounting Policies (Goodwill and Other Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended			24 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Asset Impairment Charges			$ 24,300
Other Asset Impairment Charges			12,000
Goodwill [Line Items]
Impairment of Long-Lived Assets to be Disposed of	$ 0	$ 0	36,285
Other Asset Impairment Charges			12,000
Asset Impairment Charges			24,300
Goodwill, Impairment Loss	25,306	0
Impairment of Intangible Assets, Finite-lived	0	0
Gain (Loss) on Disposition of Business	457	(234)	493
Goodwill	379,854	240,681	247,244	$ 240,681
Goodwill	379,854	240,681	247,244	240,681
Aerosystems [Member]
Goodwill [Line Items]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount			56,100
Goodwill, Impairment Loss			50,300
KPP-Orlando
Goodwill [Line Items]
Reporting Unit, Amount of Fair Value in Excess of Carrying Amount	25,300
Goodwill, Impairment Loss	25,300
Goodwill	16,100
Goodwill	$ 16,100
U.K. Composites [Member]
Goodwill [Line Items]
Gain (Loss) on Disposition of Business		$ (200)	$ (36,300)	$ (36,519)