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RETIREMENT BENEFIT PLANS (Details 3) - USD ($) | 12 Months Ended
--- | ---
Jan. 02, 2021 | Dec. 28, 2019
Pension Benefit [Member] |  |
Amounts recognized in accumulated other comprehensive income [Abstract] |  |
Net (loss)/gain | $ (43,727,607) | $ (36,315,245)
Prior service (cost) credit | (165,632) | (265,012)
Total | (43,893,239) | (36,580,257)
Defined Benefit Plan, Change in components of accumulated other comprehensive income [Abstract] |  |
Change due to availability of final actual assets and census data | 0 | 0
Charged to net periodic benefit cost [Abstract] |  |
Prior service cost | 99,380 | 99,380
Net loss (gain) | 1,300,134 | 1,162,196
Liability (gains)/losses |  |
Discount rate, amount | (10,606,709) | (12,313,831)
Asset (gains)/losses deferred | 6,202,764 | 7,724,649
Significant Event | 0 | 0
Other | (4,308,541) | 826,325
Balance at beginning of period | (36,580,267) | (34,078,976)
Balance at end of period | (43,893,239) | (36,580,257)
Other Postretirement Benefit [Member] |  |
Amounts recognized in accumulated other comprehensive income [Abstract] |  |
Net (loss)/gain | 349,276 | 499,701
Prior service (cost) credit | 0 | 8,253
Total | 349,276 | 507,954
Defined Benefit Plan, Change in components of accumulated other comprehensive income [Abstract] |  |
Balance at beginning of period | 507,954 | 1,345,959
Change due to availability of final actual assets and census data | 0 | 0
Charged to net periodic benefit cost [Abstract] |  |
Prior service cost | (8,253) | (5,072)
Net loss (gain) | (25,509) | (47,272)
Liability (gains)/losses |  |
Discount rate, amount | (218,000) | (239,138)
Asset (gains)/losses deferred | 60,802 | (14,567)
Significant Event | 0 | (454,143)
Other | 32,282 | (77,813)
Balance at end of period | $ 349,276 | $ 507,954

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