Segment and Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jul. 01, 2022	Jun. 30, 2023	Jul. 01, 2022	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 195,158	$ 160,766	$ 389,700	$ 318,814
Operating Income (Loss)	17,570	1,912	25,247	4,775
Interest expense, net	10,340	1,993	19,944	4,474
Non-service pension and post-retirement benefit income	(239)	(5,024)	(620)	(10,287)
Other expense (income), net	$ 99	$ 690	$ (472)	$ 1,194
Revenue, Net, Percentage	100.00%	100.00%	100.00%	100.00%
Research and Development Expense	$ 5,193	$ 5,215	$ 11,100	$ 10,328
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	7,370	4,253	6,395	9,394
Program Inventory Impairment	596	0	596	0	$ 44,500
Net earnings	5,255	3,774	4,486	7,649
Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	45,187	32,069	89,601	63,299
Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 10,354	$ 21,563	$ 36,596	$ 58,885
Revenue, Net, Percentage	5.00%	13.00%	9.00%	18.00%
Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 90,666	$ 60,858	$ 167,868	$ 107,816
Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	27,423	25,000	54,294	48,128
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 21,528	$ 21,276	$ 41,341	$ 40,686
Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	70.00%	67.00%	67.00%	65.00%
Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	25.00%	20.00%	24.00%	17.00%
Engineered Products
Disaggregation of Revenue [Line Items]
Net sales	$ 133,513	$ 89,765	$ 256,839	$ 171,217
Operating Income (Loss)	$ 30,542	$ 15,467	$ 49,898	$ 26,509
Revenue, Net, Percentage	68.00%	56.00%	66.00%	54.00%
Research and Development Expense	$ 2,679	$ 2,121	$ 5,118	$ 4,364
Engineered Products | Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	18,480	9,342	38,503	18,995
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	$ 69,236	$ 37,644	$ 128,921	$ 70,022
Engineered Products | Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	25,523	22,683	50,458	43,832
Engineered Products | Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 20,274	$ 20,096	$ 38,957	$ 38,368
Engineered Products | Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	47.00%	43.00%	46.00%	42.00%
Engineered Products | Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	21.00%	13.00%	20.00%	12.00%
Precision Products
Disaggregation of Revenue [Line Items]
Net sales	$ 28,059	$ 41,267	$ 66,030	$ 88,816
Operating Income (Loss)	$ (1,884)	$ 2,214	$ (755)	$ 5,429
Revenue, Net, Percentage	15.00%	26.00%	17.00%	28.00%
Research and Development Expense	$ 2,463	$ 2,984	$ 5,921	$ 5,787
Precision Products | Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	7,375	6,629	12,961	11,951
Precision Products | Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 10,354	$ 21,563	$ 36,596	$ 58,885
Revenue, Net, Percentage	5.00%	13.00%	9.00%	18.00%
Precision Products | Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 9,076	$ 11,895	$ 14,089	$ 15,662
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	$ 1,254	$ 1,180	$ 2,384	$ 2,318
Precision Products | Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	6.00%	6.00%	4.00%	5.00%
Precision Products | Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	4.00%	7.00%	4.00%	5.00%
Structures
Disaggregation of Revenue [Line Items]
Net sales	$ 33,586	$ 29,734	$ 66,831	$ 58,781
Operating Income (Loss)	$ (106)	$ (862)	$ (749)	$ (1,479)
Revenue, Net, Percentage	17.00%	18.00%	17.00%	18.00%
Research and Development Expense	$ 51	$ 110	$ 61	$ 177
Structures | Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	19,332	16,098	38,137	32,353
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	$ 12,354	$ 11,319	$ 24,858	$ 22,132
Structures | Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,900	2,317	3,836	4,296
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	17.00%	18.00%	17.00%	18.00%
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)	$ (9,665)	$ (11,984)	$ (19,671)	$ (22,532)
Other unallocated expenses, net
Disaggregation of Revenue [Line Items]
Operating Income (Loss)	$ (1,317)	$ (2,923)	$ (3,476)	$ (3,152)