Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)		12 Months Ended
	Jan. 02, 2021	Jan. 01, 2022	Jan. 02, 2021	Dec. 31, 2024	Dec. 30, 2021
Summary Of Significant Accounting Policies [Line Items]
Restricted cash	$ 787,000	$ 786,000	$ 787,000
Net income (losses) from foreign currency transactions	(139,000)	(65,000)
Proceeds From Government Grants	567,000,000	83,000	567,000
Cost of Sales [Member] | Grant [Member]
Summary Of Significant Accounting Policies [Line Items]
Proceeds From Government Grants	328,000,000	56,000	328,000
Research and Development Expense [Member] | Grant [Member]
Summary Of Significant Accounting Policies [Line Items]
Proceeds From Government Grants	90,000,000	10,000	90,000
Selling, General and Administrative Expenses [Member] | Grant [Member]
Summary Of Significant Accounting Policies [Line Items]
Proceeds From Government Grants	$ 149,000,000	$ 17,000	$ 149,000
Computers and Software
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of asset		3 years
Machinery and Equipment
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of asset		5 years
Furniture and Fixtures
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of asset		7 years
Vehicles
Summary Of Significant Accounting Policies [Line Items]
Estimated useful lives of asset		4 years
Leasehold Improvements
Summary Of Significant Accounting Policies [Line Items]
Lease and leasehold improvements estimated useful lives		remaining lease term
Pledged as Collateral for Standby Letter of Credit
Summary Of Significant Accounting Policies [Line Items]
Restricted cash		$ 600,000
Collateral for Various Guarantees
Summary Of Significant Accounting Policies [Line Items]
Restricted cash		186,000
EOTECH LLC [Member] | Photonics [Member]
Summary Of Significant Accounting Policies [Line Items]
Cash consideration					$ 70,000,000.0
Earnout payment		$ 30,000,000.0		$ 14,000,000.0	$ 30,000,000.0