Income Taxes (Details) - USD ($)	3 Months Ended		6 Months Ended
	May 31, 2020	May 31, 2019	May 31, 2020	May 31, 2019	Nov. 30, 2019
Income Tax Disclosure [Abstract]
Unrecognized tax benefits	$ 156,300,000		$ 156,300,000		$ 125,600,000
Unrecognized tax benefits that would impact effective tax rate in future	123,900,000		123,900,000		99,500,000
Accrued interest on unrecognized tax benefits	61,500,000		61,500,000		55,600,000
Accrued penalties on unrecognized tax benefits	0		0		$ 0
Income tax expense	$ 43,972,000	$ 45,319,000	$ 107,985,000	$ 61,539,000
Effective income tax rate			26.50%	28.30%