Note 6 - Notes Payable, Long-term Debt and Lines of Credit - Long-term Debt (Details) - USD ($)		12 Months Ended
		Dec. 01, 2018	Dec. 02, 2017
Other, including debt issuance costs and discount		$ (31,493)	$ (29,558)
Long-term debt		2,232,757,000	2,420,442,000
Less: current maturities		(91,225,000)	(21,515,000)
Total long-term debt, excluding current maturities		$ 2,141,532,000	2,398,927,000
Term Loan B [Member]
Long-term weighted-average interest rate	[1]	4.18%
Loan maturity date	[1]	2024
Long-term debt, gross	[1]	$ 1,964,250,000	2,150,000,000
Public Bond [Member]
Long-term weighted-average interest rate	[2]	4.11%
Loan maturity date	[2]	2027
Long-term debt, gross	[2]	$ 300,000	300,000
Revolving Credit Facility [Member]
Long-term weighted-average interest rate		4.35%
Loan maturity date		2022
Long-term debt, gross

[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 (4.30 percent at December 1, 2018); $1,450,000 swapped to various fixed rates as detailed below

[2] Public Notes, due February 15, 2027, $300,000 4.00 percent fixed; $150,000 swapped to a variable rate of 1-month LIBOR plus 1.86 percent