Restructuring Charges - Changes in Restructuring Reserves (Detail) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2023	Jul. 01, 2023	Apr. 01, 2023
Severance And Other Employee Related Costs
Restructuring Cost and Reserve [Line Items]
Beginning balance	$ 0
Provision for restructuring charges associated with Photonics divestiture	1,950
Cash payments made	(1,948)
Non-cash utilization	(2)
Ending balance	0	$ 0
Other Restructuring
Restructuring Cost and Reserve [Line Items]
Beginning balance	162	240	$ 318
Provision for restructuring charges associated with Photonics divestiture	2	2	3
Cash payments made	(80)	(80)	(81)
Ending balance	$ 84	$ 162	$ 240