Note 3 - Accounting for Share-based Compensation (Tables)

6 Months Ended

May 28, 2016

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 28, 2016			May 30, 2015		May 28, 2016			May 30, 2015
Expected life (in years)		4.75			4.75		4.75			4.61
Weighted-average expected volatility		28.55 %			30.23%		29.01%			30.91%
Expected volatility	28.00%	-	29.20%		30.23%	28.00%	-	29.23%	25.50%	-	31.67%
Risk-free interest rate		1.25 %			1.43%		1.43%			1.26%
Expected dividend yield		1.27 %			1.22%		1.55%			1.17%
Weighted-average fair value of grants		$9.81			$10.31	$	7.72		$	10.21

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

	Options			Weighted- Average Exercise Price
Outstanding at November 28, 2015		2,912,073		$	33.37
Granted		836,854			33.77
Exercised		(409,971	)		25.10
Forfeited or cancelled		(120,663	)		39.97
Outstanding at May 28, 2016		3,218,293		$	34.28

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

	Units			Shares			Total			Weighted- Average Grant Date Fair Value		Weighted- Average Remaining Contractual Life (in Years)
Nonvested at November 28, 2015		237,013			110,160			347,173		$	42.17		0.8
Granted		215,895			-			215,895			34.21		1.8
Vested		(101,652	)		(70,428	)		(172,080	)		41.85		-
Forfeited		(21,641	)		(179	)		(21,820	)		38.53		2.0
Nonvested at May 28, 2016		329,615			39,553			369,168		$	37.91		1.4

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

	Non-employee Directors			Employees			Total
Units outstanding November 28, 2015		380,170			45,906			426,076
Participant contributions		14,517			3,214			17,731
Company match contributions		1,452			321			1,773
Payouts		(319	)		(5,970	)		(6,289	)
Units outstanding May 28, 2016		395,820			43,471			439,291