Income Taxes - Components of Provision for Income Tax Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2017
Current:
U.S. Federal	$ 50,970	$ 106,761	$ 147,065
U.S. state and local	(3,641)	7,485	30,611
Foreign	10,923	10,139	12,910
Total current	58,252	124,385	190,586
Deferred:
U.S. Federal	19,973	131,233	(53,157)
U.S. state and local	5,768	975	1,760
Foreign	(3,709)	(5,943)	8,151
Total deferred	22,032	126,265	(43,246)
Total income tax expense	$ 80,284	$ 250,650	$ 147,340