Retirement Benefit Plans (Details 3) - USD ($)	12 Months Ended
	Dec. 28, 2024	Dec. 30, 2023
Pension Benefit [Member]
Net (loss)/gain	$ (31,287,987)	$ (35,084,405)
Prior service (cost) credit	0	0
Total	(31,287,987)	(35,084,405)
Balance at beginning of period	(35,084,405)	(36,956,587)
Prior service cost	0	0
Net loss (gain)	1,309,455	1,371,460
Discount rate, amount	4,449,660	(1,794,084)
Asset (gains)/losses deferred	(2,149,183)	2,431,940
Other	186,486	(137,134)
Balance at end of period	(31,287,987)	(35,084,405)
Other Postretirement Benefit [Member]
Net (loss)/gain	1,045,379	929,097
Prior service (cost) credit	21,092	0
Total	1,066,471	929,097
Balance at beginning of period	929,097	900,694
Prior service cost	4,241	4,241
Net loss (gain)	(78,267)	(67,581)
Discount rate, amount	81,579	(35,126)
Asset (gains)/losses deferred	0	(35,897)
Other	85,064	162,766
Balance at end of period	1,066,471	$ 929,097
Plan amendments	$ 44,757