Note 6 - Accounting for Share-based Compensation (Tables)

6 Months Ended

Jun. 01, 2019

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
	June 1, 2019			June 2, 2018			June 1, 2019			June 2, 2018
Expected life (in years)	4.75			4.75			4.75			4.75
Weighted-average expected volatility	24.70%			23.56%			24.26%			23.30%
Expected volatility	24.39%	-	24.76%	23.42%	-	23.58%	24.25%	-	24.76%	23.18%	-	23.58%
Risk-free interest rate	2.17%	-	2.31%	2.54%	-	2.90%	2.17%	-	2.55%	2.38%	-	2.90%
Weighted-average expected dividend yield	1.42%			1.21%			1.40%			1.14%
Expected dividend yield range	1.26%	-	1.45%	1.21%	-	1.24%	1.26%	-	1.45%	1.12%	-	1.24%
Weighted-average fair value of grants	$9.49			$11.35			$9.80			$11.37

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

				Average
	Options			Exercise Price
Outstanding at December 1, 2018		4,466,106		$	44.72
Granted		960,774			45.47
Exercised		(65,637	)		27.98
Forfeited or cancelled		(13,632	)		47.37
Outstanding at June 1, 2019		5,347,611		$	45.05

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 December 1, 2018		414,353		$	47.45		1.0
Granted		273,090			44.55		2.6
Vested		(182,427	)		45.39		-
Forfeited		(22,629	)		44.87		0.4
Nonvested at June 1, 2019		482,387		$	46.71		1.1

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

	Non-employee
	Directors		Employees			Total
Units outstanding December 1, 2018		479,787		29,735			509,522
Participant contributions		10,874		6,649			17,523
Company match contributions		1,087		665			1,752
Payouts		-		(4,507	)		(4,507	)
Units outstanding June 1, 2019		491,748		32,542			524,290