Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	May 31, 2021	May 31, 2020	May 31, 2021	May 31, 2020	Nov. 30, 2020
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 200,500		$ 200,500		$ 168,600
Unrecognized tax benefits that would impact effective tax rate in future	159,100		159,100		133,900
Accrued interest on unrecognized tax benefits	71,700		71,700		65,400
Accrued penalties on unrecognized tax benefits	0		0		$ 0
Income tax expense	$ 110,846	$ 43,972	$ 288,151	$ 107,985
Effective income tax rate			26.20%	26.50%