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Income Taxes (Income Tax Benefit (Provision) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Aug. 31, 2021
Aug. 31, 2020
Aug. 31, 2021
Aug. 31, 2020
Income Tax Disclosure [Abstract]        
Provision for income taxes $ 405,136 $ 189,690 $ 975,354 $ 382,498
Effective tax rate 22.40% 22.20% 23.10% 19.50%