RETIREMENT BENEFIT PLANS, Net Periodic Benefit Cost and Assumptions (Details) - USD ($)	12 Months Ended
	Dec. 30, 2017	Dec. 31, 2016	Jan. 02, 2016	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 Benefits [Member]
Components of the net periodic benefit cost [Abstract]
Service cost	1,276,608	$ 1,977,295	$ 3,770,191
Interest cost	3,170,194	3,486,982	3,472,870
Expected return on plan assets	(4,783,531)	(4,995,858)	(5,151,654)
Amortization of prior service cost	178,874	200,568	218,585
Amortization of the net loss	1,231,486	1,704,863	1,928,298
Net periodic benefit cost	$ 1,073,631	$ 2,373,850	$ 4,238,290
Assumptions used to determine net periodic benefit cost [Abstract]
Discount rate			3.90%
Expected return on plan assets	7.50%	8.00%	8.00%
Rate of compensation increase	0.00%	3.25%	3.25%
Pension Benefits [Member] | Minimum [Member]
Assumptions used to determine net periodic benefit cost [Abstract]
Discount rate	4.04%	4.24%
Pension Benefits [Member] | Maximum [Member]
Assumptions used to determine net periodic benefit cost [Abstract]
Discount rate	4.08%	4.28%
Other Postretirement Benefits [Member]
Components of the net periodic benefit cost [Abstract]
Service cost	$ 27,389	$ 29,300	$ 217,570
Interest cost	80,827	94,872	154,915
Expected return on plan assets	(51,494)	(47,532)	(91,936)
Amortization of prior service cost	(21,444)	(23,890)	(23,889)
Amortization of the net loss	(77,601)	(93,921)	18,804
Net periodic benefit cost	$ (42,323)	$ (41,171)	$ 275,464
Assumptions used to determine net periodic benefit cost [Abstract]
Discount rate	4.12%	4.23%	3.90%
Expected return on plan assets	4.00%	8.00%	8.00%
Supplemental Pension [Member]
Assumptions used to determine net periodic benefit cost [Abstract]
Discount rate	3.03%	3.53%	3.90%