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Credit Facility (Narrative) (Details) - Revolving line of credit facility [Member] - USD ($)
3 Months Ended 6 Months Ended
Jul. 01, 2022
Jul. 01, 2022
Dec. 31, 2021
Line of Credit Facility [Line Items]      
Borrowing capacity under credit facility $ 45,000,000.0 $ 45,000,000.0  
Maturity date Nov. 30, 2022    
Pledge of capital stock to U.S. subsidiaries   100.00%  
Pledge of capital stock to direct foreign subsidiaries   66.00%  
Outstanding balance $ 0 $ 0 $ 0
Commitment fees percentage   0.125%  
London Interbank Offered Rate (LIBOR) [Member]      
Line of Credit Facility [Line Items]      
Margin percentage base rate   1.50%  
Base Rate [Member]      
Line of Credit Facility [Line Items]      
Margin percentage base rate   0.75%