Post-Retirement Health Care - Schedule of Cost of Retirement Plans (Details) - Postretirement Health Coverage - USD ($) $ in Thousands	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Change in benefit obligation
Benefit obligation at beginning of year	$ 23,403	$ 21,818
Service cost	597	777
Interest cost	549	675
Benefits paid	(1,073)	(1,204)
Actuarial loss (gain)	(225)	1,337
Benefit obligation at end of year	23,251	23,403
Change in plan assets
Fair value at beginning of year	0	0
Actual return on assets	0	0
Employer contribution	1,073	1,204
Transferred out	0	0
Benefits paid	(1,073)	(1,204)
Fair value at end of year	0	0
Funded Status of Plan	(23,251)	(23,403)
Amounts recognized in the Statement of Financial Position consist of:
Current liabilities	1,128	1,039
Non-current liabilities	22,123	22,364
Amounts recognized in Accumulated Other Comprehensive Income (Loss) (before tax) consist of:
Actuarial loss	3,294	3,701
Change in Accumulated Other Comprehensive Income (Loss) (before tax):
Amount disclosed at beginning of year	3,701	2,384
Actuarial loss (gain)	(225)	1,337
Amortization of transition amount	(182)	(20)
Amount disclosed at end of year	$ 3,294	$ 3,701