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Credit Agreements - Line of Credit (Details) - Bank Of America
9 Months Ended
Oct. 02, 2021
USD ($)
Revolving Credit Facility  
Debt Instrument [Line Items]  
Revolving credit facility, maximum capacity $ 35,000,000
Outstanding borrowings 0
Line of credit, amount available 35,000,000
Letter of Credit  
Debt Instrument [Line Items]  
Revolving credit facility, maximum capacity $ 10,000,000
London Interbank Offered Rate (LIBOR) | Revolving Credit Facility  
Debt Instrument [Line Items]  
Interest rate 3.75%
London Interbank Offered Rate (LIBOR) | Minimum | Revolving Credit Facility  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.50%
London Interbank Offered Rate (LIBOR) | Maximum | Revolving Credit Facility  
Debt Instrument [Line Items]  
Basis spread on variable rate 2.00%
Prime Rate | Minimum | Revolving Credit Facility  
Debt Instrument [Line Items]  
Basis spread on variable rate 0.50%
Prime Rate | Maximum | Revolving Credit Facility  
Debt Instrument [Line Items]  
Basis spread on variable rate 1.00%