Basis of Presentation - Narrative (Details) - USD ($) $ in Thousands, shares in Millions	6 Months Ended
	May 31, 2020	Dec. 01, 2019	Nov. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash and cash equivalents held in escrow	$ 528,300		$ 565,800
Cash and cash equivalents held in escrow, deposit period	3 days
Right-of-use assets	$ 128,423	$ 150,700
Lease liabilities	$ 137,795	$ 159,700
Nonvested shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Nonvested shares granted (in shares)	0.9