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Long-Term Debt - Narrative (Details)
12 Months Ended
Sep. 30, 2023
USD ($)
Oct. 04, 2023
USD ($)
Oct. 03, 2023
USD ($)
Mar. 31, 2023
USD ($)
Mar. 30, 2023
USD ($)
Oct. 01, 2021
USD ($)
Oct. 31, 2001
USD ($)
Industrial Development Revenue Bonds              
Line of Credit Facility [Line Items]              
Borrowings             $ 8,000,000
Final annual redemption           $ 400,000  
Amended And Restated Credit Agreement | U.S. Revolver              
Line of Credit Facility [Line Items]              
Revolving credit facility         $ 75,000,000    
Percentage of voting capital stock pledged as collateral 100.00%            
Non-domestic subsidiaries of voting capital stock 65.00%            
Credit Agreement Second Amendment | U.S. Revolver              
Line of Credit Facility [Line Items]              
Revolving credit facility       $ 125,000,000      
Readily available cash deductible from letters of credit outstanding (lesser of)       $ 50,000,000      
Readily available cash percentage deductible from letters of credit (lesser of)       50.00%      
Letters of credit, collateral outstanding (not to be less than)       $ 0      
Revolving credit facility borrowings, outstanding amount $ 0            
Amount of credit facility remaining borrowing capacity $ 35,900,000            
Debt covenant, consolidated leverage ratio (less than) 3.0            
Debt covenant, consolidated interest coverage ratio (greater than) 3.0            
Cash collateral pledged balance $ 50,000,000            
Credit Agreement Second Amendment | U.S. Revolver | Subsequent Event              
Line of Credit Facility [Line Items]              
Revolving credit facility     $ 125,000,000        
Credit Agreement Second Amendment | U.S. Revolver | Federal Funds Rate              
Line of Credit Facility [Line Items]              
Basis spread on variable rate 0.50%            
Credit Agreement Second Amendment | U.S. Revolver | Bloomberg Short-Term Bank Yield Index              
Line of Credit Facility [Line Items]              
Basis spread on variable rate 1.00%            
Credit Agreement Second Amendment | U.S. Revolver | Base Rate | Minimum              
Line of Credit Facility [Line Items]              
Basis spread on variable rate 0.00%            
Credit Agreement Second Amendment | U.S. Revolver | Base Rate | Maximum              
Line of Credit Facility [Line Items]              
Basis spread on variable rate 2.00%            
Credit Agreement Second Amendment | U.S. Revolver | Financial Standby Letter of Credit              
Line of Credit Facility [Line Items]              
Guarantee liability, letters of credit $ 89,100,000            
Credit Agreement Third Amendment | U.S. Revolver | Subsequent Event              
Line of Credit Facility [Line Items]              
Revolving credit facility   $ 150,000,000          
Readily available cash deductible from letters of credit outstanding (lesser of)   $ 60,000,000          
Readily available cash percentage deductible from letters of credit (lesser of)   60.00%          
Letters of credit, collateral outstanding (not to be less than)   $ 0          
Cash collateral pledged balance   60,000,000          
Credit Agreement Third Amendment | U.S. Revolver | Bank of America | Subsequent Event              
Line of Credit Facility [Line Items]              
Revolving credit facility   100,000,000          
Credit Agreement Third Amendment | U.S. Revolver | Texas Capital Bank | Subsequent Event              
Line of Credit Facility [Line Items]              
Revolving credit facility   $ 50,000,000