Summary of Significant Accounting Policies - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Disaggregation of Revenue [Line Items]
Revenue	$ 174,198	$ 160,192	$ 337,679	$ 317,343
Electronic Systems
Disaggregation of Revenue [Line Items]
Revenue	109,732	102,797	207,198	201,901
Structural Systems
Disaggregation of Revenue [Line Items]
Revenue	64,466	57,395	130,481	115,442
Military and space
Disaggregation of Revenue [Line Items]
Revenue	106,680	113,008	206,014	227,135
Military and space | Electronic Systems
Disaggregation of Revenue [Line Items]
Revenue	80,187	80,755	152,007	162,488
Military and space | Structural Systems
Disaggregation of Revenue [Line Items]
Revenue	26,493	32,253	54,007	64,647
Commercial aerospace
Disaggregation of Revenue [Line Items]
Revenue	57,067	37,577	111,142	72,954
Commercial aerospace | Electronic Systems
Disaggregation of Revenue [Line Items]
Revenue	19,094	12,435	34,668	22,159
Commercial aerospace | Structural Systems
Disaggregation of Revenue [Line Items]
Revenue	37,973	25,142	76,474	50,795
Industrial
Disaggregation of Revenue [Line Items]
Revenue	10,451	9,607	20,523	17,254
Industrial | Electronic Systems
Disaggregation of Revenue [Line Items]
Revenue	$ 10,451	$ 9,607	$ 20,523	$ 17,254