Acquisitions - Narrative (Details) $ in Thousands, € in Millions			3 Months Ended					9 Months Ended		33 Months Ended
	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)	Sep. 27, 2025 USD ($)	Jun. 28, 2025 USD ($)	Mar. 29, 2025 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2023 EUR (€)	Sep. 27, 2025 USD ($)	Sep. 28, 2024 USD ($)	Sep. 27, 2025 USD ($)
Business Combination
Cash, net of cash acquired								$ 57,417	$ 0
Dortmund Fab
Business Combination
Purchase price | €							€ 94.0
Cash						$ 40,500	€ 37.2
Additional payments to acquire business	$ 58,800	€ 56.7
Cash, net of cash acquired	$ 95,942
Other current assets adjustments				$ (200)
Deferred tax liabilities adjustments				100
Goodwill measurement adjustment			$ (200)	100
Current liabilities adjustments				(800)
Non-current liabilities adjustments				800
Costs of sales				$ 200
Revenue			12,900					36,400
Net income			$ 1,500					$ 3,900
Inventory adjustment					$ 500
Acquisition related costs									$ 200	$ 3,500