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RETIREMENT BENEFIT PLANS, Net Periodic Benefit Cost and Assumptions (Details) - USD ($)
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Sep. 01, 2017
RETIREMENT BENEFIT PLANS [Abstract]      
Increase in expense of unrecognized prior service cost $ 14,928    
Modification of benefit multiplier     $ 0.50
Modification of benefit multiplier on each subsequent anniversary for the lifetime of the contract     $ 0.50
Modification of benefit multiplier at end of current contract 45.00    
Pension Benefit [Member]      
Components of the net periodic benefit cost [Abstract]      
Service cost 1,319,841 $ 1,276,608  
Interest cost 3,107,164 3,170,194  
Expected return on plan assets (5,219,515) (4,783,531)  
Amortization of prior service cost 114,822 178,874  
Amortization of the net loss 1,110,111 1,231,486  
Net periodic benefit cost $ 432,423 $ 1,073,631  
Assumptions used to determine net periodic benefit cost [Abstract]      
Expected return on plan assets 7.50% 7.50%  
Rate of compensation increase 0.00% 0.00%  
Pension Benefit [Member] | Minimum [Member]      
Assumptions used to determine net periodic benefit cost [Abstract]      
Discount rate 3.54% 4.04%  
Pension Benefit [Member] | Maximum [Member]      
Assumptions used to determine net periodic benefit cost [Abstract]      
Discount rate 3.57% 4.08%  
Other Postretirement Benefit [Member]      
Components of the net periodic benefit cost [Abstract]      
Service cost $ 37,024 $ 27,389  
Interest cost 77,161 80,827  
Expected return on plan assets (55,650) (51,494)  
Amortization of prior service cost (5,072) (21,444)  
Amortization of the net loss (65,591) (77,601)  
Net periodic benefit cost $ (12,128) $ (42,323)  
Assumptions used to determine net periodic benefit cost [Abstract]      
Discount rate 3.60% 4.12%  
Expected return on plan assets 4.00% 4.00%  
Supplemental Pension [Member]      
Assumptions used to determine net periodic benefit cost [Abstract]      
Discount rate 3.10% 3.03%