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Long-Term Debt (Schedule Of Aggregate Maturities For Debt Outstanding) (Details) - USD ($)
$ in Thousands
Oct. 31, 2021
Jul. 31, 2021
Oct. 31, 2020
Debt Instrument [Line Items]      
2022 (November 2021 through July 2022) $ 105,187    
2023 63,740    
2024 63,798    
2025 1,575,677    
2026 575,415    
Thereafter 527,252    
Total debt $ 2,911,069 $ 2,948,514 $ 2,444,111