Notes Payable (Narratives) (Details) - USD ($)			3 Months Ended	9 Months Ended
	Aug. 10, 2023	Aug. 09, 2023	Aug. 31, 2022	Aug. 31, 2023	Aug. 31, 2022	Nov. 30, 2022
Debt Instrument [Line Items]
Unamortized debt issuance costs, premiums and discounts				$ 14,500,000		$ 16,200,000
Debt instrument, maturity date				Aug. 25, 2026
Letters of credit outstanding				$ 19,700,000		43,000,000
Repayment of senior notes			$ 353,600,000	0	$ 353,598,000
Loss on early extinguishment of debt			3,600,000	0	3,598,000
Debt instrument, collateral amount				33,200,000
Long-Term Debt, Fiscal Year Maturity [Abstract]
Repayments of principal, 2023				1,100,000
Repayments of principal, 2024				2,900,000
Repayments of principal, 2025				500,000
Repayments of principal, 2026				360,000,000
Repayments of principal, 2027				300,000,000
Repayments of principal, thereafter				1,040,000,000.00
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)				6.80%
7.25% Senior notes due July 15, 2030 | Senior Notes
Debt Instrument [Line Items]
Debt instrument, face amount			$ 350,000,000		$ 350,000,000
Stated interest rate percentage			7.25%	7.25%	7.25%
Senior Notes Due Two Thousand Twenty Two At Seven Point Five Percent | Senior Notes
Debt Instrument [Line Items]
Repayments of senior debt			$ 350,000,000
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				0
Unsecured revolving credit facility, remaining borrowing capacity				$ 1,080,000,000.00
Revolving Credit Facility | Minimum
Debt Instrument [Line Items]
Line of credit facility, unused capacity, commitment fee percentage				0.15%
Revolving Credit Facility | Maximum
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
Credit facility, letters of credit outstanding				6,600,000
Unsecured revolving credit facility, remaining borrowing capacity				243,400,000
LOC Facilities
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity				75,000,000
Unsecured revolving credit facility, expiration date	Feb. 18, 2027	Feb. 13, 2025
Letters of credit outstanding				$ 13,000,000		$ 36,400,000