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Debt - Narrative (Details) - USD ($)
May 31, 2018
Apr. 02, 2022
Jan. 01, 2022
Debt Instrument [Line Items]      
Long-term debt obligations   $ 243,094,000 $ 177,829,000
Deferred debt issuance costs, current   $ 400,000  
Maximum ratio of interest coverage to earnings for the last four fiscal quarters   4.0  
Maximum ratio of leverage to earnings for the last four fiscal quarters   3.5  
Revolving credit facility with interest at a variable rate (April 2, 2022 - 1.5%; January 1, 2022 - 1.1%)      
Debt Instrument [Line Items]      
Long-term line of credit outstanding   $ 141,000,000  
Line of credit maximum borrowing capacity   450,000,000  
Line of credit remaining borrowing capacity   309,000,000  
Notes Payable to Banks      
Debt Instrument [Line Items]      
Long-term debt obligations   141,000,000  
Private Placement      
Debt Instrument [Line Items]      
Fair value of debt obligations   107,000,000  
Borrowings   100,000,000  
Deferred debt issuance costs, noncurrent   $ 400,000  
Fixed rate notes due in 2025 with an interest rate of 4.22%      
Debt Instrument [Line Items]      
Borrowings $ 50,000,000    
Note term 7 years    
Interest rate 4.22% 4.22%  
Fixed rate notes due in 2028 with an interest rate of 4.40%      
Debt Instrument [Line Items]      
Borrowings $ 50,000,000    
Note term 10 years    
Interest rate 4.40% 4.40%