Supplemental Cash Flow Information (Disclosure of supplemental cash flow information) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 02, 2022	Apr. 03, 2021
Changes in Operating Assets and Liabilities
Accounts receivable	$ (15,435)	$ (15,503)
Inventories	2,168	(17,594)
Accounts payable and accrued liabilities	13,540	7,500
Other operating assets and liabilities	3,008	3,941
Changes in operating assets and liabilities, total	3,281	(21,656)
Non-Cash Investing and Financing Activities
Change in additions to property, plant and equipment included in accounts payable and accrued liabilities	(5,776)	(2,014)
Change in accounts payable and accrued liabilities related to discontinued operations	(6,324)	(13,380)
Change in accrued dividends on preferred stock	0	(1,769)
Change in accrued debt issuance costs	$ 0	$ (1,690)