Summary of Significant Accounting Policies - Disaggregated Revenue (Details) - USD ($) $ in Thousands	3 Months Ended								6 Months Ended		9 Months Ended		12 Months Ended
	Dec. 31, 2025	Sep. 27, 2025	Jun. 28, 2025	Mar. 29, 2025	Dec. 31, 2024	Sep. 28, 2024	Jun. 29, 2024	Mar. 30, 2024	Jun. 28, 2025	Jun. 29, 2024	Sep. 27, 2025	Sep. 28, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 38,397
Revenues	$ 217,133	$ 214,422	$ 200,803	$ 192,481	$ 197,183	$ 201,412	$ 196,140	$ 191,707	$ 393,284	$ 387,847	$ 607,706	$ 589,259	$ 824,839	$ 786,442	$ 756,992
Percentage of revenues													100.00%	100.00%
Electronic Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 31,319
Revenues													$ 462,682	$ 431,363	430,136
Percentage of revenues													100.00%	100.00%
Structural Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 7,078
Revenues													$ 362,157	$ 355,079	$ 326,856
Percentage of revenues													100.00%	100.00%
Military and space
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 59,957
Revenues													$ 479,902	$ 419,945
Percentage of revenues													58.20%	53.40%
Military and space \| Electronic Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 43,650
Revenues													$ 351,146	$ 307,496
Percentage of revenues													75.90%	71.30%
Military and space \| Structural Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 16,307
Revenues													$ 128,756	$ 112,449
Percentage of revenues													35.60%	31.70%
Commercial aerospace
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ (24,578)
Revenues													$ 308,427	$ 333,005
Percentage of revenues													37.40%	42.30%
Commercial aerospace \| Electronic Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ (15,349)
Revenues													$ 75,026	$ 90,375
Percentage of revenues													16.20%	20.90%
Commercial aerospace \| Structural Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ (9,229)
Revenues													$ 233,401	$ 242,630
Percentage of revenues													64.40%	68.30%
Industrial
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 3,018
Revenues													$ 36,510	$ 33,492
Percentage of revenues													4.40%	4.30%
Industrial \| Electronic Systems \| Operating segments
Disaggregation of Revenue [Line Items]
Change in revenue for the period													$ 3,018
Revenues													$ 36,510	$ 33,492
Percentage of revenues													7.90%	7.80%