Segment and Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Oct. 01, 2021	Sep. 30, 2022	Oct. 01, 2021	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Net sales	$ 172,004	$ 179,836	$ 490,818	$ 533,846
Operating Income (Loss)	$ 446	$ 15,962	$ 5,783	$ 36,407
Revenue, Net, Percentage	100.00%	100.00%	100.00%	100.00%
Research and Development Expense	$ 3,937	$ 2,540	$ 14,265	$ 10,004
Assets	1,564,534		1,564,534		$ 1,198,482
Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	39,332	43,017	102,631	126,408
Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 37,460	$ 49,393	$ 96,345	$ 148,985
Revenue, Net, Percentage	22.00%	27.00%	20.00%	28.00%
Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 53,315	$ 44,746	$ 161,131	$ 133,834
Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	23,641	21,996	71,769	65,441
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 18,256	$ 20,684	$ 58,942	$ 59,178
Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	61.00%	56.00%	64.00%	58.00%
Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	17.00%	17.00%	16.00%	14.00%
Engineered Products
Disaggregation of Revenue [Line Items]
Net sales	$ 92,052	$ 84,399	$ 263,269	$ 235,134
Operating Income (Loss)	$ 14,156	$ 14,931	$ 40,665	$ 29,595
Revenue, Net, Percentage	54.00%	47.00%	53.00%	44.00%
Research and Development Expense	$ 2,106	$ 1,826	$ 6,470	$ 6,429
Assets	1,044,671		1,044,671		623,899
Engineered Products | Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	13,356	15,856	32,351	38,941
Engineered Products | Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0
Revenue, Net, Percentage	0.00%	0.00%	0.00%	0.00%
Engineered Products | Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 39,852	$ 29,711	$ 109,874	$ 81,643
Engineered Products | Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	21,782	20,123	65,614	59,800
Engineered Products | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 17,062	$ 18,709	$ 55,430	$ 54,750
Engineered Products | Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	40.00%	35.00%	41.00%	34.00%
Engineered Products | Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	14.00%	12.00%	12.00%	10.00%
Precision Products
Disaggregation of Revenue [Line Items]
Net sales	$ 46,282	$ 63,584	$ 135,098	$ 195,656
Operating Income (Loss)	$ 5,730	$ 13,792	$ 11,689	$ 46,274
Revenue, Net, Percentage	27.00%	35.00%	28.00%	37.00%
Research and Development Expense	$ 1,812	$ 540	$ 7,599	$ 3,378
Assets	289,680		289,680		250,146
Precision Products | Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	5,171	7,263	17,122	21,516
Precision Products | Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 37,460	$ 49,393	$ 96,345	$ 148,985
Revenue, Net, Percentage	22.00%	27.00%	20.00%	28.00%
Precision Products | Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 2,457	$ 4,953	$ 18,119	$ 20,727
Precision Products | Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0	0	0
Precision Products | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 1,194	$ 1,975	$ 3,512	$ 4,428
Precision Products | Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	2.00%	3.00%	4.00%	5.00%
Precision Products | Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	3.00%	5.00%	4.00%	4.00%
Structures
Disaggregation of Revenue [Line Items]
Net sales	$ 33,670	$ 31,853	$ 92,451	$ 103,056
Operating Income (Loss)	$ 71	$ 330	$ (1,376)	$ (871)
Revenue, Net, Percentage	19.00%	18.00%	19.00%	19.00%
Research and Development Expense	$ 19	$ 174	$ 196	$ 197
Assets	133,232		133,232		125,027
Structures | Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	20,805	19,898	53,158	65,951
Structures | Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0
Revenue, Net, Percentage	0.00%	0.00%	0.00%	0.00%
Structures | Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 11,006	$ 10,082	$ 33,138	$ 31,464
Structures | Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,859	1,873	6,155	5,641
Structures | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0
Structures | Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	19.00%	18.00%	19.00%	19.00%
Structures | Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	0.00%	0.00%	0.00%	0.00%
Corporate Segment
Disaggregation of Revenue [Line Items]
Operating Income (Loss)	$ (20,196)	$ (10,487)	$ (42,728)	$ (31,166)
Assets	96,951		96,951		$ 199,410
Other unallocated expenses, net
Disaggregation of Revenue [Line Items]
Operating Income (Loss)	$ 685	$ (2,604)	$ (2,467)	$ (7,425)