Note 7 - Accounting for Share-based Compensation (Tables)

6 Months Ended

May 30, 2020

Notes Tables

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

	Three Months Ended								Six Months Ended
	May 30, 2020				June 1, 2019				May 30, 2020				June 1, 2019
Expected life (in years)			5.00				4.75				5.00				4.75
Weighted-average expected volatility			24.20%				24.70%				24.29%				24.26%
Expected volatility		24.18%	-	24.26%		24.39%	-	24.76%		24.18%	-	24.30%		24.25%	-	24.76%
Risk-free interest rate			0.38%			2.17%	-	2.31%		0.36%	-	1.51%		2.17%	-	2.55%
Weighted-average expected dividend yield			2.34%				1.42%				1.38%				1.40%
Expected dividend yield range		1.84%	-	2.53%		1.26%	-	1.45%		1.35%	-	2.53%		1.26%	-	1.45%
Weighted-average fair value of grants			$4.48				$9.49				$9.63				$9.80

Share-based Payment Arrangement, Option, Activity [Table Text Block]

				Average
	Options			Exercise Price
Outstanding at November 30, 2019		5,060,310		$	46.04
Granted		1,047,470			47.72
Exercised		(49,829	)		31.25
Forfeited or cancelled		(120,070	)		48.76
Outstanding at May 30, 2020		5,937,881		$	46.41

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

						Weighted-
				Weighted-		Average
				Average		Remaining
				Grant		Contractual
				Date Fair		Life
	Units			Value		(in Years)
Nonvested at November 30, 2019		487,997		$	46.56		0.8
Granted		207,844			48.03		2.9
Vested		(205,958	)		47.79		-
Forfeited		(48,359	)		47.64		0.6
Nonvested at May 30, 2020		441,524		$	46.57		1.2

Schedule of Deferred Compensation Arrangement with Individual, Share-based Payments [Table Text Block]

	Non-employee
	Directors			Employees			Total
Units outstanding November 30, 2019		525,660			36,664			562,324
Participant contributions		11,753			12,888			24,641
Company match contributions		1,175			1,289			2,464
Payouts		(110,778	)		(11,870	)		(122,648	)
Units outstanding May 30, 2020		427,810			38,971			466,781