Notes Payable (Narratives) (Details) - USD ($)	9 Months Ended
	Aug. 31, 2025	Nov. 30, 2024
Debt Instrument [Line Items]
Unamortized debt issuance costs, premiums and discounts	$ 9,600,000	$ 11,500,000
Debt instrument, maturity date	Aug. 25, 2026
Letters of credit outstanding	$ 70,700,000	81,600,000
Debt instrument, collateral amount	24,400,000
Long-Term Debt, Fiscal Year Maturity [Abstract]
Repayments of principal, 2025	100,000
Repayments of principal, 2026	360,700,000
Repayments of principal, 2027	300,900,000
Repayments of principal, 2028	800,000
Repayments of principal, 2029	300,600,000
Repayments of principal, thereafter	740,000,000.0
Senior unsecured term loan due August 25, 2026
Debt Instrument [Line Items]
Debt instrument, face amount	$ 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)	5.80%
Revolving Credit Facility
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 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
Credit facility, letters of credit outstanding	250,000,000.0
Unsecured revolving credit facility, remaining borrowing capacity	$ 831,700,000
Debt, weighted average interest rate (percent)	5.70%
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	$ 250,000,000.0
Credit facility, letters of credit outstanding	8,300,000
Unsecured revolving credit facility, remaining borrowing capacity	241,700,000
LOC Facilities
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity	$ 100,000,000.0
Unsecured revolving credit facility, expiration date	Feb. 13, 2028
Letters of credit outstanding	$ 62,400,000	$ 73,300,000