Income Taxes - Income taxes paid (Details) $ in Thousands	12 Months Ended
	Dec. 28, 2025 USD ($)
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Federal, after Refund Received	$ 9,118
Income Tax Paid, State and Local, after Refund Received	3,384
Income Taxes Paid, Net	37,339
CHINA
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Foreign, after Refund Received	2,069
Foreign Tax Jurisdiction, Other
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Foreign, after Refund Received	5,684
Germany
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Foreign, after Refund Received	11,538
Netherlands
Income Tax Paid, by Individual Jurisdiction [Line Items]
Income Tax Paid, Foreign, after Refund Received	$ 5,546