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Employee Benefit and Stock Plans (Details 3) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 06, 2016 | Oct. 08, 2015 | Oct. 09, 2014 | Nov. 30, 2016 | Nov. 30, 2015 | Nov. 30, 2014 | Nov. 30, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense related to stock option grants |  |  |  |  | $ 16,850 | $ 17,143 | $ 8,382 |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period |  |  |  |  | 551,898 | 76,164 | 36,665 |
Stock Options |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense related to stock option grants | [1] |  |  |  | $ 7,076 | $ 7,576 | $ 3,024 |
Restricted Stock |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense related to stock option grants |  |  |  |  | $ 2,630 | $ 2,499 | $ 1,750 |
Restricted stock transactions |  |  |  |  |  |  |  |
Outstanding at beginning of year, Shares |  |  |  |  | 416,977 | 355,294 | 219,628 |
Weighted average per share grant date fair value in dollars per share |  |  |  |  | $ 16.24 | $ 15.88 | $ 15.81 | $ 16.23
Granted, Shares |  |  |  |  | 453,703 | 285,006 | 219,835 |
Granted, Weighted Average per Share Grant Date Fair Value |  |  |  |  | $ 15.73 | $ 15.19 | $ 15.34 |
Vested, Shares |  |  |  |  | (252,854) | (204,663) | (73,908) |
Vested, Weighted Average per Share Grant Date Fair Value |  |  |  |  | $ 14.78 | $ 14.83 | $ 16.52 |
Cancelled, Shares |  |  |  |  | (13,207) | (18,660) | (10,261) |
Cancelled, Weighted Average per Share Grant Date Fair Value |  |  |  |  | $ 15.12 | $ 15.45 | $ 18.55 |
Outstanding at end of year, Shares |  |  |  |  | 604,619 | 416,977 | 355,294 |
Performance Shares |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense related to stock option grants |  |  |  |  | $ 5,343 | $ 5,404 | $ 3,699 |
Restricted stock transactions |  |  |  |  |  |  |  |
Outstanding at beginning of year, Shares |  |  |  |  | 820,209 | 628,209 | 385,049 |
Weighted average per share grant date fair value in dollars per share |  |  |  |  | $ 17.19 | $ 15.52 | $ 15.70 | $ 16.39
Granted, Shares |  |  |  |  | 369,281 | 192,000 | 243,160 |
Granted, Weighted Average per Share Grant Date Fair Value |  | $ 16.21 | $ 14.92 | $ 14.62 | $ 13.81 | $ 14.92 | $ 14.62 |
Vested, Shares |  |  |  |  | (374,630) | 0 | 0 |
Vested, Weighted Average per Share Grant Date Fair Value |  |  |  |  | $ 10.21 | $ 0.00 | $ 0.00 |
Cancelled, Shares |  |  |  |  | (5,000) | 0 | 0 |
Cancelled, Weighted Average per Share Grant Date Fair Value |  |  |  |  | $ 16.21 | $ 0.00 | $ 0.00 |
Outstanding at end of year, Shares |  |  |  |  | 809,860 | 820,209 | 628,209 |
Director Stock Units [Domain] |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |  |  |
Stock-based compensation expense related to stock option grants |  |  |  |  | $ 1,801 | $ 1,664 | $ (91) |
PSU 2013 [Domain] | Performance Shares |  |  |  |  |  |  |  |
Restricted stock transactions |  |  |  |  |  |  |  |
Granted, Shares |  |  |  |  | 147,581 |  |  |
[1] | Compensation expense associated with stock options was accelerated in 2015 as a result of retirement provisions being met for certain stock option recipients.

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + 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)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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