RETIREMENT BENEFIT PLANS (Details 2) - USD ($)	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019
Pension Benefit [Member]
Change in discount rate	$ 10,606,709	$ 12,313,831
Service cost	1,065,739	1,055,410
Interest cost	2,856,569	3,516,318
Actuarial (gain)/loss	(1,786,595)	(1,508,935)
Significant Event	0	0
Benefits paid	(4,183,750)	(3,918,781)
Net amount recognized in the balance sheet	(33,188,623)	(28,631,485)
Benefit obligation at beginning of year	102,991,053	91,533,200
Benefit obligation at end of year	111,549,725	102,991,043
Fair value of plan assets at beginning of year	74,359,558
Fair value of plan assets at end of year	78,361,102	74,359,558
Pension Benefit [Member] | Fair Value Plan Assets [Member]
Significant Event	0	0
Benefits paid	(4,183,750)	(3,918,781)
Fair value of plan assets at beginning of year	74,359,558	66,170,875
Actual return on plan assets	5,568,671	11,803,359
Employer contributions	2,616,623	304,105
Fair value of plan assets at end of year	78,361,102	74,359,558
Other Postretirement Benefit [Member]
Benefit obligation at beginning of year	1,566,019	2,096,761
Change in discount rate	218,000	239,138
Service cost	43,418	33,287
Interest cost	46,668	56,755
Actuarial (gain)/loss	32,282	77,813
Significant Event	0	(902,719)
Benefits paid	(14,654)	(35,016)
Benefit obligation at end of year	1,827,169	1,566,019
Net amount recognized in the balance sheet	(1,185,139)	(1,007,146)
Other Postretirement Benefit [Member] | Fair Value Plan Assets [Member]
Significant Event	0	(902,719)
Benefits paid	(33,343)	(35,016)
Fair value of plan assets at beginning of year	558,873	1,448,126
Actual return on plan assets	83,157	13,466
Employer contributions	33,343	35,016
Fair value of plan assets at end of year	$ 642,030	$ 558,873