Incentive Plans and Stock-Based Compensation (Tables)

12 Months Ended

Dec. 03, 2016

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of nonqualified stock option activity

The following table summarizes activity with respect to nonqualified stock options granted by the Company and includes options granted under the 2014, 2009, 2004 and 1994 Incentive Plans.

	2016				2015				2014
	Options Granted under Incentive Plans		Weighted Average Exercise Price		Options Granted under Incentive Plans		Weighted Average Exercise Price		Options Granted under Incentive Plans		Weighted Average Exercise Price
Outstanding at beginning of year	2,422,538		$	48.46	2,310,720		$	45.71	2,208,314		$	40.76
Granted	296,500		$	46.45	314,000		$	63.09	450,700		$	61.49
Exercised	(782,237	)	$	42.34	(179,071	)	$	37.99	(322,473	)	$	33.30
Surrendered	(59,998	)	$	53.94	(23,111	)	$	53.09	(25,821	)	$	52.47
Outstanding at end of year	1,876,803		$	50.52	2,422,538		$	48.46	2,310,720		$	45.71
Exercisable at end of year	1,191,300		$	48.39	1,584,513		$	43.44	1,409,359		$	40.70

Schedule of outstanding and exercisable options

The following table summarizes information about the Company’s outstanding and exercisable options at November 30, 2016.

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number	Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Life in Years	Number	Weighted Average Exercise Price		Intrinsic Value		Weighted Average Remaining Life in Years
$25.31 - $36.48	202,382	$	32.64	$	10,084	2.22	202,382	$	32.64	$	10,084	2.22
$42.86 - $49.91	1,009,775	$	46.38	36,432		6.41	663,362	$	46.47	23,876		5.28
$55.01 - $63.22	664,646	$	62.26	13,423		7.51	325,556	$	62.11	6,624		7.41
	1,876,803	$	50.52	$	59,939	6.35	1,191,300	$	48.39	$	40,584	5.34

Schedule of Black-Scholes option pricing model on options granted

The fair value of each option grant is estimated on the date of grant using the Black-Scholes option pricing model with the following weighted average assumptions by grant year.

	2016			2015			2014
Weighted average fair value per option at the date of grant for options granted	$	7.23		$	10.23		$	11.51
Risk-free interest rate	1.46		%	1.31		%	1.55		%
Expected dividend yield	1.89		%	1.27		%	1.10		%
Expected volatility factor	20.40		%	19.50		%	21.38		%
Expected option term in years	5.00			5.00			5.00

Schedule of restricted stock unit awards

The following table summarizes the restricted stock unit awards.

	2016				2015				2014
	Units		Weighted Average Grant Date Fair Value		Units		Weighted Average Grant Date Fair Value		Units		Weighted Average Grant Date Fair Value
Nonvested at beginning of year	71,592		$	60.09	51,012		$	53.12	48,044		$	45.18
Granted	63,605		$	46.45	50,740		$	63.22	24,808		$	61.42
Vested	(29,428	)	$	57.62	(28,704	)	$	53.30	(20,156	)	$	44.29
Surrendered	(4,993	)	$	54.76	(1,456	)	$	58.84	(1,684	)	$	54.36
Nonvested at end of year	100,776		$	52.47	71,592		$	60.09	51,012		$	53.12

The following table summarizes the restricted stock unit awards with performance conditions.

	2016				2015			2014
	Units		Weighted Average Grant Date Fair Value		Units	Weighted Average Grant Date Fair Value		Units	Weighted Average Grant Date Fair Value
Nonvested at beginning of year	92,650		$	63.22	—	$	—	—	$	—
Granted	—		$	—	92,650	$	63.22	—	$	—
Vested	—		$	—	—	$	—	—	$	—
Surrendered	(15,579	)	$	63.22	—	$	—	—	$	—
Nonvested at end of year	77,071		$	63.22	92,650	$	63.22	—	$	—

Schedule of shares issues under employee stock purchase plans

The Company issued stock under this plan with fair value upon issuance as follows during the years ended November 30, 2016, 2015 and 2014.

	2016		2015		2014
Company stock issued under the plan	$	1,225	$	1,498	$	1,338

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Allocation of share-based compensation costs

The following table summarizes information related to stock options and stock option exercises during the years ended November 30, 2016, 2015 and 2014.

	2016			2015			2014
Pre-tax compensation expense	$	3,317		$	5,588		$	5,025
Deferred tax benefits	(1,202		)	(1,955		)	(1,834		)
Excess tax benefits associated with tax deductions over the amount of compensation expense recognized in the consolidated financial statements	2,006			1,032			2,668
Fair value of options granted	2,144			3,213			5,186
Total intrinsic value of options exercised	13,687			4,328			9,696
Cash received upon exercise of options	32,850			6,608			10,738
Addition to capital in excess of par value due to exercise of stock options	34,080			7,464			13,084

Restricted Stock Units (RSUs) [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Allocation of share-based compensation costs

The following table summarizes information related to restricted stock unit awards during the years ended November 30, 2016, 2015 and 2014.

	2016			2015			2014
Pre-tax compensation expense	$	1,969		$	2,530		$	1,373
Deferred tax benefits	(714		)	(885		)	(501		)
Excess tax (expense) benefit associated with tax deductions (under) over the amount of compensation expense recognized in the consolidated financial statements	(109		)	215			101
Fair value of restricted stock unit awards on date of grant	2,954			3,208			1,524
Fair value of restricted stock unit awards vested	1,696			1,530			893

Restricted Stock Unit Awards with Performance Conditions [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Allocation of share-based compensation costs

The following table summarizes information related to restricted stock unit awards with performance conditions during the years ended November 30, 2016, 2015 and 2014.

	2016		2015		2014
Pre-tax compensation expense	$	—	$	—	$	—
Deferred tax benefits	—		—		—
Excess tax (expense) benefit associated with tax deductions (under) over the amount of compensation expense recognized in the consolidated financial statements	—		—		—
Fair value of restricted stock unit awards on date of grant	—		5,857		—
Fair value of restricted stock unit awards vested	—		—		—

Director [Member] | Restricted Stock [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Allocation of share-based compensation costs

The following table summarizes information related to directors' stock compensation during the years ended November 30, 2016, 2015 and 2014.

	2016		2015		2014
Pre-tax compensation expense	$	1,221	$	975	$	880
Shares of Company common stock issued under the plans	21,306		15,261		15,400