Restructuring and Other Costs, Net - Changes in Restructuring Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jul. 01, 2023	Apr. 01, 2023	Jul. 02, 2022	Apr. 02, 2022
Restructuring Cost and Reserve [Line Items]
Beginning balance			$ 797	$ 1,023
Provision for restructuring charges associated with Photonics divestiture			4	114
Cash payments made			(167)	(265)
Non-cash utilization				(75)
Ending balance			634	797
Severance And Other Employee Related Costs [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance			258	358
Provision for restructuring charges associated with Photonics divestiture			0	112
Cash payments made			(90)	(137)
Non-cash utilization				(75)
Ending balance			168	258
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 240	$ 318	539	665
Provision for restructuring charges associated with Photonics divestiture	2	3	4	2
Cash payments made	(80)	(81)	(77)	(128)
Non-cash utilization				0
Ending balance	$ 162	$ 240	$ 466	$ 539