Note 7 - Notes Payable, Long-term Debt and Lines of Credit - Long-term Debt (Details) - USD ($) $ in Thousands		12 Months Ended
		Nov. 28, 2020	Nov. 30, 2019
Other, including debt issuance cost and discount		$ (665)	$ (12,266)
Long-term debt		1,756,985	1,963,384
Less: current maturities		0	(65,000)
Long-term debt, net of current maturities		$ 1,756,985	1,898,384
The 8-year Public Notes [Member]
Long-term weighted-average interest rate		4.25%
Term Loan B [Member]
Long-term weighted-average interest rate	[1]	4.07%
Loan maturity date	[1]	2024
Long-term debt, gross	[1]	$ 1,157,650	1,675,650
The 10-year Public Notes [Member]
Long-term weighted-average interest rate	[2]	4.00%
Loan maturity date	[2]	2027
Long-term debt, gross	[2]	$ 300,000	300,000
The 8-year Public Notes [Member]
Loan maturity date	[3]	2028
Long-term debt, gross	[3]	$ 300,000	0
Revolving Credit Facility [Member]
Long-term weighted-average interest rate		2.15%
Loan maturity date		2024
Long-term debt, gross		$ 0	$ 0

[1] Term Loan B, due on October 20, 2024, $2,150,000 variable rate at the London Interbank Offered Rate (LIBOR) plus 2.00 percent (2.15 percent at November 28, 2020); $1,350,000 swapped to various fixed rates as detailed below.

[2] Public Notes, due February 15, 2027, $300,000 4.00 percent fixed.

[3] Public Notes, due August 15, 2028, $300,000 4.25 percent fixed.