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Long-Term Debt (Schedule Of Aggregate Maturities For Debt Outstanding) (Details) - USD ($)
$ in Thousands
Apr. 30, 2022
Jul. 31, 2021
Apr. 30, 2021
Debt Instrument [Line Items]      
2022 (May 2022 through July 2022) $ 15,845    
2023 69,890    
2024 63,801    
2025 1,553,883    
2026 575,415    
Thereafter 551,532    
Total debt $ 2,830,366 $ 2,948,514 $ 2,958,188