Segment and Geographic Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Apr. 01, 2022
Disaggregation of Revenue [Line Items]
Net sales	$ 194,542	$ 158,048
Operating Income (Loss)	8,628	3,057
Interest expense, net	9,604	2,481
Non-service pension and post-retirement benefit income	(381)	(5,263)
Other (income) expense, net	$ (571)	$ 504
Revenue, Net, Percentage	100.00%	100.00%
Research and Development Expense	$ 5,907	$ 5,113
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(24)	5,335
Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	44,414	31,230
Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 26,242	$ 37,322
Revenue, Net, Percentage	13.00%	24.00%
Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 77,202	$ 46,958
Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	26,871	23,128
Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 19,813	$ 19,410
Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	64.00%	61.00%
Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	23.00%	15.00%
Engineered Products
Disaggregation of Revenue [Line Items]
Net sales	$ 123,326	$ 81,452
Operating Income (Loss)	$ 19,356	$ 11,042
Revenue, Net, Percentage	63.00%	52.00%
Research and Development Expense	$ 2,439	$ 2,243
Engineered Products \| Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	20,023	9,653
Engineered Products \| Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0
Revenue, Net, Percentage	0.00%	0.00%
Engineered Products \| Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 59,685	$ 32,378
Engineered Products \| Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	24,935	21,149
Engineered Products \| Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 18,683	$ 18,272
Engineered Products \| Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	45.00%	41.00%
Engineered Products \| Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	18.00%	11.00%
Precision Products
Disaggregation of Revenue [Line Items]
Net sales	$ 37,971	$ 47,549
Operating Income (Loss)	$ 1,674	$ 3,409
Revenue, Net, Percentage	20.00%	30.00%
Research and Development Expense	$ 3,458	$ 2,803
Precision Products \| Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	5,586	5,322
Precision Products \| Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 26,242	$ 37,322
Revenue, Net, Percentage	13.00%	24.00%
Precision Products \| Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 5,013	$ 3,767
Precision Products \| Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	0	0
Precision Products \| Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 1,130	$ 1,138
Precision Products \| Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	2.00%	2.00%
Precision Products \| Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	5.00%	4.00%
Structures
Disaggregation of Revenue [Line Items]
Net sales	$ 33,245	$ 29,047
Operating Income (Loss)	$ (237)	$ (617)
Revenue, Net, Percentage	17.00%	18.00%
Research and Development Expense	$ 10	$ 67
Structures \| Military and Defense, other than fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	18,805	16,255
Structures \| Missile and Bomb Fuzes [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0
Revenue, Net, Percentage	0.00%	0.00%
Structures \| Commercial Aerospace [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 12,504	$ 10,813
Structures \| Medical [Member]
Disaggregation of Revenue [Line Items]
Net sales	1,936	1,979
Structures \| Other [Member]
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0
Structures \| Original Equipment Manufacturer [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	17.00%	18.00%
Structures \| Aftermarket [Member]
Disaggregation of Revenue [Line Items]
Revenue, Net, Percentage	0.00%	0.00%
Corporate Segment
Disaggregation of Revenue [Line Items]
Operating Income (Loss)	$ (10,006)	$ (10,548)
Other unallocated expenses, net
Disaggregation of Revenue [Line Items]
Operating Income (Loss)	$ (2,159)	$ (229)

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