Divestiture and Discontinued Operations - Additional Information (Detail) - EOTECH LLC [Member] - USD ($)	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022	Dec. 31, 2024	Apr. 01, 2023	Dec. 31, 2022	Dec. 30, 2021
Proceeds from Fees Received		$ 408,000		$ 1,200,000
Sale Of Inventory		$ 32,000		$ 148,000
Accounts Receivable, after Allowance for Credit Loss, Current	$ 41,000		$ 41,000				$ 49,000
Shared Services Agreement [Member]
Proceeds from Fees Received	39,000		65,000
Photonics
Cash								$ 70,000,000
Earnout payment	$ 0		$ 0			$ 30,000,000		$ 30,000,000
Photonics | Subsequent Event [Member]
Earnout payment					$ 14,000,000