Retirement Benefit Plans (Details 2) - USD ($)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022
Other Postretirement Benefit [Member]
Benefit obligation at beginning of year	$ 1,151,126	$ 1,724,582
Change in discount rate	35,126	(562,340)
Service cost	25,945	53,291
Interest cost	58,131	43,950
Actuarial (gain)/loss	(162,766)	(73,395)
Benefits paid	(37,286)	(34,962)
Benefit obligation at end of year	1,070,276	1,151,126
Net amount recognized in the balance sheet	(554,758)	(666,222)
Pension Plans Defined Benefit [Member]
Benefits paid	(4,870,701)	(4,756,015)
Fair value of plan assets at beginning of year	58,527,250	80,814,956
Actual return on plan assets	5,902,956	(17,701,556)
Employer contributions	1,277,138	169,865
Fair value of plan assets at end of year	60,836,643	58,527,250
Pension Benefits [Member]
Benefit obligation at beginning of year	80,701,715	107,420,338
Change in discount rate	1,794,084	(26,408,548)
Service cost	864,611	1,078,973
Interest cost	3,960,212	2,432,756
Actuarial (gain)/loss	(587,910)	934,211
Benefits paid	(4,870,701)	(4,756,015)
Benefit obligation at end of year	81,862,011	80,701,715
Net amount recognized in the balance sheet	(21,025,365)	(22,174,465)
Other Postretirement Benefit Plans Defined Benefit [Member]
Benefits paid	(51,180)	(49,158)
Fair value of plan assets at beginning of year	484,904	439,993
Actual return on plan assets	(16,501)	44,911
Employer contributions	51,180	49,158
Fair value of plan assets at end of year	$ 468,403	$ 484,904