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Commitments and Contingencies (Details) - USD ($) $ in Thousands | 12 Months Ended
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Nov. 30, 2015 | Nov. 30, 2014 | Nov. 30, 2013
Changes in the Company's warranty liability |  |  |  |  |  |
Balance at beginning of year |  | $ 45,196 | $ 48,704 |  | $ 47,822 |
Warranties issued |  | 23,018 | 18,479 |  | 14,261 |
Payments |  | (26,367) | (39,458) |  | (45,338) |
Adjustments | [1] | 7,238 | 17,471 |  | 31,959 |
Balance at end of year |  | 49,085 | 45,196 |  | 48,704 |
Self Insurance Reserve, Balance at beginning of year |  | 86,574 | 92,214 |  | 93,349 |
Expenses Associated with Self Insurance |  | 18,590 | 13,491 | [2] | 8,239 | [2]
Payments, Net of Recoveries for Self Insurance |  | (22,989) | (19,131) | [3] | (9,374) | [3]
Self Insurance Reserve, Balance at end of year |  | $ 82,175 | $ 86,574 |  | $ 92,214 |
[1] | As discussed below, adjustments in 2015 and 2014 were primarily comprised of the reclassification of estimated minimum probable recoveries to receivables. Adjustments in 2014 also included a reclassification of estimated minimum probable recoveries to establish a separate accrual for a water intrusion-related inquiry. Adjustments in 2013 were comprised of charges associated with water intrusion-related issues in central and southwest Florida.
[2] | These expenses are included in selling, general and administrative expenses and are largely offset by contributions from independent subcontractors participating in the wrap-up policy.
[3] | Recoveries are reflected in the period we receive funds from independent subcontractors and/or their insurers.

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Represents the aggregate Increase or Decrease in the liability during the reporting period for accruals related to preexisting standard and extended product warranties (including adjustments for changes in estimates). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(4)) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount as of the balance sheet date of the aggregate standard product warranty liability. Does not include the balance for the extended product warranty liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (c)(1),(c)(5) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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- Definition Represents the aggregate decrease in the liability for payments made (in cash or in kind) to satisfy claims under the terms of the standard product warranty. Does not include any Increase or Decrease in the liability for payments related to extended product warranties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph ((c)(2)) -URI http://asc.fasb.org/extlink&oid=51674963&loc=d3e12565-110249 + Details
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