Divestiture and Discontinued Operations - Summary of Components Discontinued Operations Related to Photonics Segment (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 30, 2024	Apr. 01, 2023
Operating expenses:
Income from discontinued operations before provision for income taxes	$ (2,225)	$ (3,782)
Provision for income taxes	476	386
Net income from discontinued operations, net of taxes	1,095	277
Photonics
Operating expenses:
Operating Expenses	(162)	(277)
Operating income – discontinued operations	162	277
Other income (expense)—discontinued operations	933	0
Income from discontinued operations before provision for income taxes	1,095	277
Provision for income taxes	0	0
Net income from discontinued operations, net of taxes	1,095	277
Photonics | Selling, general and administrative
Operating expenses:
Operating Expenses	$ (162)	$ (277)