Note 7 - Notes Payable, Long-term Debt and Lines of Credit (Details Textual) - USD ($)									12 Months Ended
		Nov. 30, 2024	Mar. 04, 2024	Dec. 15, 2023	Jun. 30, 2023	Feb. 15, 2023	Oct. 20, 2020	Feb. 14, 2017	Nov. 30, 2024	Dec. 02, 2023	Dec. 03, 2022	Mar. 16, 2023	Feb. 28, 2023	Jan. 13, 2023	Jan. 12, 2023
Notes Payable, Current		$ 587,000							$ 587,000	$ 1,841,000
Deferred Debt Issuance Cost, Writeoff									0	2,689,000	$ 0
Long-Term Debt, Fair Value		2,015,468,000							$ 2,015,468,000	1,785,199,000
Interest Rate Swap [Member]
Derivative, Amount of Hedged Item												$ 300,000,000		$ 400,000,000	$ 400,000,000
Derivative, Fixed Interest Rate												3.721%	3.726%	3.6895%	3.6895%
Interest Rate Swap 2 [Member]
Derivative, Amount of Hedged Item												$ 100,000,000
Derivative, Fixed Interest Rate												3.899%
Term Loan A [Member]
Debt Instrument, Face Amount						$ 500,000,000
Debt Instrument, Basis Spread on Variable Rate									6.17%
Long-Term Debt, Gross	[1]	462,500,000							$ 462,500,000	487,500,000
Term Loan A [Member] | SOFR Credit Adjustment [Member]
Debt Instrument, Basis Spread on Variable Rate						0.10%
Term Loan A [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						1.50%
Term Loan B [Member]
Debt Instrument, Face Amount		994,000,000	$ 794,000,000			$ 800,000,000			$ 994,000,000
Debt Instrument, Basis Spread on Variable Rate									6.57%
Long-Term Debt, Gross	[2]	$ 989,030,000							$ 989,030,000	796,000,000
Term Loan B [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate		6.57%	2.00%
Term Loan B [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Minimum [Member]
Debt Instrument, Basis Spread on Variable Rate		0.50%							0.50%
Term Loan B [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate									0.02%
The 10-year Public Notes [Member]
Debt Instrument, Face Amount								$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage								4.00%
Debt Instrument, Term (Year)								10 years
The 8-year Public Notes [Member]
Debt Instrument, Face Amount							$ 300,000,000
Debt Instrument, Interest Rate, Stated Percentage							4.25%
Long-Term Debt, Gross	[3]	$ 300,000,000							$ 300,000,000	300,000,000
Debt Instrument, Term (Year)							8 years
Repayments of Debt							$ 300,000
The 8-year Public Notes [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate					3.28%
The 8-year Public Notes [Member] | London Interbank Offered Rate (LIBOR) 1 [Member]
Debt Instrument, Basis Spread on Variable Rate							3.28%
Term Loan B First Tranche [Member]
Debt Instrument, Face Amount			$ 200,000,000
Amended Term Loan B [Member]
Debt Instrument, Face Amount			$ 994,000,000
Debt Instrument, Basis Spread on Variable Rate			1.00%
Debt Instrument, Interest Rate Margin, Increase (Decrease)			0.25%
Amended Term Loan B [Member] | Secured Overnight Financing Rate (SOFR) [Member]
Debt Instrument, Basis Spread on Variable Rate			2.00%
Term Loan [Member]
Repayments of Debt								$ 158,750,000
Second Amended and Restated Credit Agreement [Member]
Debt Instrument, Mandatory Prepayments of Excess Cashflow, Percentage						50.00%
Debt Instrument, Mandatory Prepayments of Excess Cashflow When Secured Leverage Ratio Is Below 4.25, Percentage						25.00%
Debt Instrument, Mandatory Prepayments of Excess Cashflow When Secured Leverage Ratio Is Below 3.75, Percentage						0.00%
Second Amended and Restated Credit Agreement [Member] | Term Loan B [Member]
Debt Instrument, Periodic Payment, Percentage of Principal						1.00%
Second Amended and Restated Credit Agreement [Member] | Term Loan A [Member] | Debt Instrument, Redemption, Period One [Member]
Debt Instrument, Periodic Payment, Percentage of Principal						1.25%
Second Amended and Restated Credit Agreement [Member] | Term Loan A [Member] | Debt Instrument, Redemption, Period Two [Member]
Debt Instrument, Periodic Payment, Percentage of Principal						1.875%
Second Amended and Restated Credit Agreement [Member] | Term Loan A [Member] | Debt Instrument, Redemption, Period Three [Member]
Debt Instrument, Periodic Payment, Percentage of Principal						2.50%
Revolving Credit Facility [Member]
Line of Credit, Current		0							0
Line of Credit Facility, Maximum Borrowing Capacity		700,000,000				$ 700,000,000			700,000,000
Deferred Debt Issuance Cost, Writeoff									2,689,000
Long-Term Debt, Gross		0							0	$ 0
Repayments of Lines of Credit								$ 138,000,000
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage				0.20%
Long-Term Line of Credit, Total		0							0
Letters of Credit Outstanding, Amount		10,318,000							10,318,000
Debt Instrument, Covenant, Secured Leverage Ratio for Fiscal Quarters Ending on or Prior to June 1, 2024						4.75
Debt Instrument, Covenant, Secured Leverage Ratio for Fiscal Quarters Ending After June 1, 2024						4.5
Debt Instrument, Covenant, Interest Coverage Ratio						2
Revolving Credit Facility [Member] | SOFR Credit Adjustment [Member]
Debt Instrument, Basis Spread on Variable Rate						0.10%
Revolving Credit Facility [Member] | Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member]
Debt Instrument, Basis Spread on Variable Rate						1.50%
Long-Term Debt, Fair Value		$ 6,170							$ 6,170
Notes Payable [Member]
Short-Term Debt, Weighted Average Interest Rate, at Point in Time		1.35%							1.35%	10.75%	16.20%

[1] Term Loan A, due on February 15, 2028, $500,000 variable rate at the Secured Overnight Financing Rate ("SOFR") plus an adjustment of 0.10 percent and an interest rate spread of 1.50 percent based on a leverage grid (6.95 percent at December 2, 2023).

[2] Term Loan B, due on February 15, 2028, $800,000 variable rate at the SOFR plus 2.25 percent with a SOFR floor of 0.50 percent (7.60 percent at December 2, 2023).

[3] Public Notes, due October 15, 2028, $300,000 4.25 percent fixed; swapped to a floating rate as detailed below.