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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($)
3 Months Ended
Apr. 01, 2023
Apr. 02, 2022
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited)    
Net income $ 607,313 $ 3,030,438
Other comprehensive income:    
Change in foreign currency translation 336,585 202,281
Change in fair value of interest rate swap, net of tax (benefit) cost of: 2023 - $(87,691); 2022 - $333,635 (277,687) 1,056,511
Change in pension and postretirement benefit costs, net of taxes of: 2023 - $74,360; 2022 - $92,235 252,668 313,408
Total other comprehensive income 311,566 1,572,200
Comprehensive income $ 918,879 $ 4,602,638