RETIREMENT BENEFIT PLANS, Amounts Recognized in, and Changes in Components of AOCI (Details) - USD ($)	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 29, 2018	Dec. 30, 2017
Amounts recognized in accumulated other comprehensive income [Abstract]
Total	$ 20,485,277	$ 20,485,277	$ 20,688,630	$ 20,485,277
Defined Benefit Plan, Change in components of accumulated other comprehensive income [Abstract]
Balance at beginning of period	20,485,277
Liability (gains)/losses [Abstract]
Balance at end of period	20,688,630	20,485,277
Pension Benefit [Member]
Amounts recognized in accumulated other comprehensive income [Abstract]
Net (loss)/gain			(33,714,584)	(32,565,614)
Prior service (cost) credit			(364,392)	(494,142)
Total	(34,078,976)	(33,059,756)	(34,078,976)	(33,059,756)
Defined Benefit Plan, Change in components of accumulated other comprehensive income [Abstract]
Balance at beginning of period	(33,059,756)	(33,799,555)
Change due to availability of final actual assets and census data	0	0
Charged to net periodic benefit cost [Abstract]
Prior service cost	114,822	178,874
Net loss (gain)	1,110,111	1,231,486
Liability (gains)/losses [Abstract]
Discount rate	8,319,874	(6,200,491)
Asset (gains)/losses deferred	(9,531,647)	5,978,071
Additional recognition due to plan amendment	14,928	(496,899)
Other	(1,047,308)	48,758
Balance at end of period	(34,078,976)	(33,059,756)
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year [Abstract]
Net (loss) gain			(1,145,203)
Prior service cost (credit)			99,380
Other Postretirement Benefit [Member]
Amounts recognized in accumulated other comprehensive income [Abstract]
Net (loss)/gain			1,332,634	1,089,785
Prior service (cost) credit			13,325	18,397
Total	1,345,959	1,108,182	1,345,959	$ 1,108,182
Defined Benefit Plan, Change in components of accumulated other comprehensive income [Abstract]
Balance at beginning of period	1,108,182	1,270,922
Change due to availability of final actual assets and census data	0	0
Charged to net periodic benefit cost [Abstract]
Prior service cost	(5,072)	(21,444)
Net loss (gain)	(65,591)	(77,601)
Liability (gains)/losses [Abstract]
Discount rate	217,539	(181,691)
Asset (gains)/losses deferred	1,237	52,395
Additional recognition due to plan amendment	0	0
Other	89,664	65,601
Balance at end of period	$ 1,345,959	$ 1,108,182
Amounts that will be amortized from accumulated other comprehensive income in next fiscal year [Abstract]
Net (loss) gain			82,027
Prior service cost (credit)			$ (5,072)