Income Taxes (Schedule of components of income tax expense (benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended							6 Months Ended		9 Months Ended		12 Months Ended
	Sep. 28, 2024	Jun. 29, 2024	Mar. 30, 2024	Dec. 30, 2023	Sep. 30, 2023	Jul. 01, 2023	Apr. 01, 2023	Jun. 29, 2024	Jul. 01, 2023	Sep. 28, 2024	Sep. 30, 2023	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Income Tax Disclosure [Line Items]
Current income tax expense (benefit)												$ 1,650	$ (709)	$ 1,192
Deferred income tax expense (benefit)												(180)	3,978	(296)
Income Tax Expense (Benefit)	$ 23	$ (17)	$ 277	$ (709)	$ 0	$ 6,282	$ (2,304)	$ 260	$ 3,978	$ 283	$ 3,978	1,470	3,269	896
Canada [Member]
Income Tax Disclosure [Line Items]
Current income tax expense (benefit)												113	(32)	84
Deferred income tax expense (benefit)												0	0	0
U.S. [Member]
Income Tax Disclosure [Line Items]
Current income tax expense (benefit)												213	(677)	1,108
Deferred income tax expense (benefit)												0	3,978	(296)
Mexico [Member]
Income Tax Disclosure [Line Items]
Current income tax expense (benefit)												1,324	0	0
Deferred income tax expense (benefit)												$ (180)	$ 0	$ 0