Note 7 - Notes Payable, Long-Term Debt and Lines of Credit - Long-Term Debt (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 03, 2016	Nov. 28, 2015
Long-term debt		$ 668,323	$ 692,106
Less: current maturities		(80,178)	(22,500)
Total long-term debt, excluding current maturities		$ 588,145	669,606
Term Loan [Member]
Long-term weighted-average interest rate		1.86%
Loan maturity date		2019
Long-term debt		$ 266,250	288,750
Senior Notes Series A [Member]
Long-term weighted-average interest rate	[1]	2.88%
Loan maturity date	[1]	2017
Long-term debt	[1]	$ 17,014	17,419
Senior Notes Series B [Member]
Long-term weighted-average interest rate	[2]	2.76%
Loan maturity date	[2]	2017
Long-term debt	[2]	$ 33,164	33,982
Senior Notes Series C [Member]
Long-term weighted-average interest rate	[3]	3.80%
Loan maturity date	[3]	2020
Long-term debt	[3]	$ 36,428	36,955
Senior Notes Series D [Member]
Long-term weighted-average interest rate	[4]	5.61%
Loan maturity date	[4]	2020
Long-term debt	[4]	$ 65,000	65,000
Senior Notes Series E [Member]
Long-term weighted-average interest rate	[5]	4.12%
Loan maturity date	[5]	2022
Long-term debt	[5]	$ 250,000	250,000
Non-U.S. Notes [Member]
Long-term weighted-average interest rate	[6]	3.36%
Loan maturity date	[6]	2024
Long-term debt	[6]	$ 467
Revolving Credit Facility [Member]
Long-term weighted-average interest rate		1.73%
Loan maturity date		2019
Long-term debt

[1] Senior Notes, Series A, due December 16, 2016, $17,000 5.13 percent fixed, swapped to a variable rate of 6 - month LIBOR (in arrears) plus 1.59 percent.

[2] Senior Notes, Series B, due February 24, 2017, $33,000 5.13 percent fixed, swapped to a variable rate of 6 - month LIBOR (in arrears) plus 1.47 percent.

[3] Senior Notes, Series C, due December 16, 2019, $35,000 5.61 percent fixed, $25,000 swapped to a variable rate of 6 - month LIBOR (in arrears) plus 1.78 percent

[4] Senior Notes, Series D, due February 24, 2020, $65,000 5.61 percent fixed.

[5] Senior Notes, Series E, due March 5, 2022, $250,000 4.12 percent fixed.

[6] Non-U.S. Notes, due in 2024 and 2025, $467 3.36 percent fixed blended rate.