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Note 8 - Accounting for Share-based Compensation (Tables)

9 Months Ended

Sep. 02, 2017

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						Nine Months Ended
	September 2, 2017		August 27, 2016				September 2, 2017				August 27, 2016
Expected life (in years)		4.75			4.75				4.75				4.74
Weighted-average expected volatility		23.91%			26.77%				24.84%				28.96%
Expected volatility		23.91%		25.71%	-	27.10%		23.91%	-	24.88%		25.71%	-	29.23%
Risk-free interest rate		1.85%			0.98%				1.89%				1.43%
Expected dividend yield		1.15%			1.26%				1.12%				1.54%
Weighted-average fair value of grants		$10.58			$9.38				$10.81				$7.72

Share-based Compensation, Stock Options, Activity [Table Text Block]

				Average
	Options			Exercise Price
Outstanding at December 3, 2016		2,986,481		$	34.92
Granted		721,904			50.04
Exercised		(437,694	)		37.39
Forfeited or cancelled		(89,589	)		36.69
Outstanding at September 2, 2017		3,181,102		$	38.39

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

												Weighted-
										Weighted-		Average
										Average		Remaining
										Grant		Contractual
										Date Fair		Life
	Units			Shares			Total			Value		(in Years)
Nonvested at December 3, 2016		352,744			36,953			389,697		$	38.36		1.0
Granted		284,598			-			284,598			50.71		1.4
Vested		(154,516	)		(36,953	)		(191,469	)		39.92		-
Forfeited		(20,597	)		-			(20,597	)		39.06		1.3
Nonvested at September 2, 2017		462,229			-			462,229		$	44.72		1.2

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

	Non-employee
	Directors			Employees			Total
Units outstanding December 3, 2016		424,319			41,116			465,435
Participant contributions		23,864			5,053			28,917
Company match contributions		2,386			505			2,891
Payouts		(14,143	)		(12,552	)		(26,695	)
Units outstanding September 2, 2017		436,426			34,122			470,548

- Definition

Tabular disclosure of an equity-based arrangement (such as stock or unit options and stock or unit awards) with an individual employee, which is generally an employment contract between the entity and a selected officer or key employee containing a promise by the employer to pay certain equity-based awards at future dates, sometimes including a period after retirement, upon compliance with stipulated requirements. This type of arrangement is distinguished from broader based employee benefit plans as it is usually tailored to the employee. Disclosure also typically includes the amount of related compensation expense recognized during the reporting period, the number of shares or units issued during the period under such arrangements, and the carrying amount as of the balance sheet date of the related liability.

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