Short-Term Borrowings - Schedule of Line of Credit Facilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Feb. 28, 2021	Nov. 30, 2020
Short-term Debt [Line Items]
Short-term debt	$ 882,941	$ 764,715
Revolving Credit Facility | Federal funds rate
Short-term Debt [Line Items]
Basis spread on variable rate	2.00%
Revolving Credit Facility | Base rate
Short-term Debt [Line Items]
Basis spread on variable rate	2.05%
Line of credit
Short-term Debt [Line Items]
Short-term debt	$ 874,000	746,000
Bank of New York Mellon Master Loan Agreement | Line of credit
Short-term Debt [Line Items]
Short-term debt	300,000	300,000
JPMorgan Chase Bank, N.A. Credit Facility | Line of credit
Short-term Debt [Line Items]
Short-term debt	274,000	246,000
Royal Bank of Canada Credit Facility | Line of credit
Short-term Debt [Line Items]
Short-term debt	200,000	200,000
Bank of New York Mellon Credit Facility | Line of credit | Revolving Credit Facility
Short-term Debt [Line Items]
Short-term debt	$ 100,000	$ 0