Supplemental Cash Flow Information (Schedule of cash flow supplemental disclosures) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
Changes in Operating Assets and Liabilities, Net of Divestitures
Accounts receivable	$ 19,482	$ (2,195)	$ (4,948)
Inventories	(8,421)	(10,631)	(10,300)
Accounts payable	10,901	1,054	(6,046)
Other operating assets and liabilities	(4,251)	(10,610)	7,744
Changes in Non-Cash Working Capital, Net of Businesses Acquired or Sold, Total	17,711	(22,382)	(13,550)
Non-Cash Investing and Financing Activities
Change in additions to property, plant and equipment included in accounts payable	2,885	(436)	(4,234)
Change in accrued dividends on preferred stock	(304)	(305)	0
Change in net working capital adjustment related to the divestiture of Frozen Fruit	5,101	(457)	0
Change in short-term note receivable from divestiture of Frozen Fruit	6,300	(6,300)	0
Seller Promissory Notes issued on the divestiture of Frozen Fruit	0	(20,000)	0
Cash Paid
Interest	23,927	24,032	11,093
Income taxes	$ 437	$ 569	$ 847