v3.6.0.2

Incentive Plans and Stock-Based Compensation (Tables) | 12 Months Ended
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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 |

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- Definition Tabular disclosure of employee stock purchase plan activity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights that were granted, exercised or converted, forfeited, and expired during the year. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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