Retirement Benefit Plans (Details 3) - USD ($)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Balance at beginning of period	$ (23,412,638)
Balance at end of period	(22,994,976)	$ (23,412,638)
Pension Benefit [Member]
Net (loss)/gain	(35,084,405)	(36,956,587)
Prior service (cost) credit	0	0
Total	(35,084,405)	(36,956,587)
Balance at beginning of period	(36,956,587)	(40,513,278)
Prior service cost	0	66,252
Net loss (gain)	1,371,460	1,560,299
Discount rate, amount	(1,794,084)	26,408,548
Asset (gains)/losses deferred	2,431,940	(22,866,209)
Other	(137,134)	(1,612,199)
Balance at end of period	(35,084,405)	(36,956,587)
Other Postretirement Benefit [Member]
Net (loss)/gain	929,097	900,694
Prior service (cost) credit	0	0
Total	929,097	900,694
Balance at beginning of period	900,694	241,621
Prior service cost	4,241	4,241
Net loss (gain)	(67,581)	(8,214)
Discount rate, amount	(35,126)	562,340
Asset (gains)/losses deferred	(35,897)	27,311
Other	162,766	73,395
Balance at end of period	$ 929,097	$ 900,694