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Related Party - Topcon - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 29, 2024	Jul. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Dec. 30, 2023
Related Party Transaction [Line Items]
Total revenues	$ 12,631	$ 12,855	$ 24,392	$ 26,561
Receivable from related party	6,269		6,269		$ 6,727
Payable to related party	$ 7,767		$ 7,767		4,499
Topcon [Member]
Related Party Transaction [Line Items]
Ownership percentage	9.90%		9.90%
Topcon America Corporation [Member]
Related Party Transaction [Line Items]
Total revenues	$ 4,100	3,700	$ 7,400	8,000
Purchases from related party	100		200
Topcon America Corporation [Member] \| Related Party [Member]
Related Party Transaction [Line Items]
Receivable from related party	1,800		1,800		2,900
Payable to related party	500		500		$ 200
Distribution Rights [Member]
Related Party Transaction [Line Items]
Revenue Recognized	400	300	700	700
Distribution Rights [Member] \| Topcon America Corporation [Member]
Related Party Transaction [Line Items]
Revenue Recognized	$ 400	$ 300	$ 700	$ 700