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Indebtedness - Summary of Long Term Debt (Details) - USD ($)
Oct. 31, 2022
Jun. 30, 2022
Oct. 31, 2021
Oct. 05, 2021
Apr. 30, 2019
Jun. 30, 1997
Debt Instrument [Line Items]            
Less: unamortized debt issuance costs $ 3,334,000   $ 2,798,000      
Total long-term debt 990,768,000   691,242,000      
Less: current portion of long-term debt 0   0      
Long-term debt 990,768,000   691,242,000      
Line of Credit            
Debt Instrument [Line Items]            
Carrying amount of long-term debt 0   0      
Aggregate principal amount of notes issued 600,000,000          
Senior Notes | $270 million term loan, due October 2026            
Debt Instrument [Line Items]            
Carrying amount of long-term debt 270,000,000   270,000,000      
Total long-term debt 270,000,000          
Aggregate principal amount of notes issued 270,000,000     $ 270,000,000    
Interest rate percentage       2.50%    
Senior Notes | $200 million term loan, due April 2027            
Debt Instrument [Line Items]            
Carrying amount of long-term debt 200,000,000   0      
Aggregate principal amount of notes issued 200,000,000          
Senior Notes | 3.81% series A senior notes, due June 2029            
Debt Instrument [Line Items]            
Carrying amount of long-term debt $ 100,000,000   100,000,000      
Aggregate principal amount of notes issued         $ 100,000,000  
Interest rate percentage 3.81%       3.81%  
Senior Notes | 3.91% series B senior notes, due June 2031            
Debt Instrument [Line Items]            
Carrying amount of long-term debt $ 100,000,000   100,000,000      
Aggregate principal amount of notes issued         $ 100,000,000  
Interest rate percentage 3.91%       3.91%  
Senior Notes | 3.97% senior notes, due June 2032            
Debt Instrument [Line Items]            
Carrying amount of long-term debt $ 100,000,000   0      
Interest rate percentage   3.97%        
Senior Notes | 6.625% senior notes, due May 2037            
Debt Instrument [Line Items]            
Carrying amount of long-term debt $ 124,102,000   124,040,000      
Interest rate percentage 6.625%          
Senior Notes | Senior Notes, Due June 30, 2032            
Debt Instrument [Line Items]            
Aggregate principal amount of notes issued   $ 100,000,000        
Interest rate percentage 3.97% 3.97%        
Debentures            
Debt Instrument [Line Items]            
Aggregate principal amount of notes issued           $ 175,000,000
Interest rate percentage           7.80%
Debentures | 7.8% debentures, due June 2027            
Debt Instrument [Line Items]            
Carrying amount of long-term debt $ 100,000,000   $ 100,000,000      
Total long-term debt           $ 100,000,000
Interest rate percentage 7.80%         7.80%