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

3 Months Ended

Feb. 29, 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
	February 29, 2020				March 2, 2019
Expected life (in years)			5.00				4.75
Weighted-average expected volatility			24.29%				24.25%
Expected volatility		24.29%	-	24.30%		24.25%	-	24.33%
Risk-free interest rate			1.50%			2.51%	-	2.55%
Weighted-average expected dividend yield			1.36%				1.40
Expected dividend yield range		1.35%	-	1.42%		1.26%	-	1.41%
Weighted-average fair value of grants			$9.76				$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		1,021,629			48.21
Exercised		(25,594	)		35.44
Forfeited or cancelled		(73,601	)		53.71
Outstanding at February 29, 2020		5,982,744		$	46.36

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		205,383			47.90		2.9
Vested		(206,856	)		46.73		-
Forfeited		(39,608	)		47.73		2.5
Nonvested at February 29, 2020		446,916		$	46.99		1.4

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		5,901		3,055			8,956
Company match contributions		590		306			896
Payouts		-		(5,710	)		(5,710	)
Units outstanding February 29, 2020		532,151		34,315			566,466