RETIREMENT BENEFIT PLANS, Defined Contribution Plan (Details) - USD ($)	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017
Contribution Plan [Abstract]
Total contributions made for the period	$ 1,478,481	$ 1,206,996
Regular Matching Contributions [Member]
Contribution Plan [Abstract]
Total contributions made for the period	551,046	465,671
Transitional Credit Contributions [Member]
Contribution Plan [Abstract]
Total contributions made for the period	349,062	385,578
Non-discretionary Contributions [Member]
Contribution Plan [Abstract]
Total contributions made for the period	$ 578,373	355,747
Plan 401 K Plan Amendment [Member]
Contribution Plan [Abstract]
Percentage of voluntary contributions allowed to participants, maximum	100.00%
Employer matching contribution percentage	50.00%
Increase in employer matching contribution on first of total employee contributions, percentage	6.00%
Non-discretionary contribution percentage for employees who were not eligible to participate in the salaried plan	3.00%
Non-Union U.S. Employees [Member]
Contribution Plan [Abstract]
Total contributions made for the period	$ 565,748	$ 502,618
Non-Union U.S. Employees [Member] | Minimum [Member]
Contribution Plan [Abstract]
Non-discretionary contribution percentage for certain employees who were eligible to participate in the salaried plan	0.00%
Non-Union U.S. Employees [Member] | Maximum [Member]
Contribution Plan [Abstract]
Non-discretionary contribution percentage for certain employees who were eligible to participate in the salaried plan	4.00%