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Pay vs Performance Disclosure - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Sep. 30, 2023
Oct. 01, 2022
Pay vs Performance Disclosure        
Net earnings attributable to VPG stockholders $ 6,280 $ 10,118 $ 21,480 $ 27,229