RETIREMENT BENEFIT PLANS (Details 2) - USD ($)	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Pension Benefit [Member]
Change in discount rate	$ (5,316,621)	$ 10,606,739
Service cost	1,087,333	1,065,739
Interest cost	2,017,015	2,856,569
Plan amendment	0	0
Actuarial (gain)/loss	2,340,743	(1,786,595)
Significant Event	0	0
Benefits paid	4,257,857	4,183,750
Net amount recognized in the balance sheet	(26,605,382)	(33,188,623)
Benefit obligation at beginning of year	111,549,725	102,991,053
Benefit obligation at end of year	107,420,338	111,549,725
Fair value of plan assets at end of year	80,814,956	78,361,102
Other Postretirement Benefit [Member]
Benefit obligation at beginning of year	1,827,169	1,566,019
Change in discount rate	(96,343)	218,000
Service cost	54,505	43,418
Interest cost	39,369	46,668
Plan amendment	36,388	0
Actuarial (gain)/loss	110,462	32,282
Significant Event	(218,103)	0
Benefits paid	28,865	14,654
Benefit obligation at end of year	1,724,582	1,827,169
Net amount recognized in the balance sheet	(1,284,589)	(1,185,139)
Pension Plans Defined Benefit [Member]
Significant Event	0	0
Benefits paid	4,257,855	4,183,750
Actual return on plan assets	4,369,247	5,568,671
Employer contributions	2,342,462	2,616,623
Fair value of plan assets at end of year	80,814,956	78,361,102
Other Postretirement Benefit Plans Defined Benefit [Member]
Significant Event	(218,103)	0
Benefits paid	45,243	33,343
Actual return on plan assets	16,066	83,157
Employer contributions	45,243	33,343
Fair value of plan assets at end of year	$ 439,993	$ 642,030