Notes Payable (Narratives) (Details) - USD ($)		3 Months Ended
	Feb. 29, 2024	Feb. 29, 2024	Nov. 30, 2023
Debt Instrument [Line Items]
Unamortized debt issuance costs, premiums and discounts	$ 13,300,000	$ 13,300,000	$ 13,900,000
Debt instrument, maturity date		Aug. 25, 2026
Letters of credit outstanding	32,200,000	$ 32,200,000	19,100,000
Debt instrument, collateral amount	19,600,000	19,600,000
Long-Term Debt, Fiscal Year Maturity [Abstract]
Repayments of principal, 2024	2,900,000	2,900,000
Repayments of principal, 2025	500,000	500,000
Repayments of principal, 2026	360,600,000	360,600,000
Repayments of principal, 2027	300,800,000	300,800,000
Repayments of principal, 2028	800,000	800,000
Repayments of principal, thereafter	1,040,000,000.00	1,040,000,000.00
Senior unsecured term loan due August 25, 2026
Debt Instrument [Line Items]
Debt instrument, face amount	$ 360,000,000	$ 360,000,000
Senior unsecured term loan due August 25, 2026 | Senior unsecured term loan due August 25, 2026
Debt Instrument [Line Items]
Weighted average interest rate (in percentage)	6.80%	6.80%
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 1,090,000,000.00	$ 1,090,000,000.00
Unsecured revolving credit facility, expiration date		Feb. 18, 2027
Unsecured revolving credit facility, maximum borrowing capacity	1,290,000,000	$ 1,290,000,000
Credit facility, letters of credit outstanding	0	0
Unsecured revolving credit facility, remaining borrowing capacity	1,080,000,000.00	$ 1,080,000,000.00
Revolving Credit Facility | Min
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage		0.15%
Revolving Credit Facility | Max
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage		0.35%
Letter of Credit
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	250,000,000	$ 250,000,000
Credit facility, letters of credit outstanding	6,700,000	6,700,000
Unsecured revolving credit facility, remaining borrowing capacity	243,300,000	243,300,000
LOC Facilities
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 75,000,000	75,000,000
Unsecured revolving credit facility, expiration date	Feb. 18, 2027
Letters of credit outstanding	$ 25,500,000	$ 25,500,000	$ 12,500,000