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

3 Months Ended

Mar. 04, 2017

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
	March 4, 2017				February 27, 2016
Expected life (in years)			4.75				4.75
Weighted-average expected volatility			24.87%				29.03%
Expected volatility		24.84%	-	24.88%		29.03%	-	29.23%
Risk-free interest rate			1.89%				1.44%
Expected dividend yield			1.12%				1.56%
Weighted-average fair value of grants			$10.81				$7.64

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

				Average
	Options			Exercise Price
Outstanding at December 3, 2016		2,986,481		$	34.92
Granted		683,425			49.95
Exercised		(261,346	)		32.71
Forfeited or cancelled		(66,589	)		36.68
Outstanding at March 4, 2017		3,341,971		$	38.13

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		278,043			-		278,043			49.68		1.9
Vested		(137,891	)		(36,953)		(174,844	)		39.62		-
Forfeited		(16,095	)		-		(16,095	)		37.15		1.6
Nonvested at March 4, 2017		476,801			-		476,801		$	44.54		1.7

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		4,462			3,964			8,426
Company match contributions		446			397			843
Payouts		(13,818	)		(6,137	)		(19,955	)
Units outstanding March 4, 2017		415,409			39,340			454,749