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Commitments and Contingencies (Changes in the Warranty Liability) (Details) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Feb. 28, 2017 | Feb. 29, 2016 | Nov. 30, 2016 | Nov. 30, 2015
Loss Contingencies [Line Items] |  |  |  |  |
Self Insurance Reserve |  | $ 159,882 | $ 173,017 | $ 158,584 | $ 173,011
Expenses Associated with Self Insurance | [1] | 4,640 | 4,016 |  |
Payments, Net of Recoveries for Self Insurance |  | (2,040) | (3,406) |  |
Changes in the Warranty Liability |  |  |  |  |
Balance at beginning of period |  | 56,682 | 49,085 |  |
Warranties issued |  | 7,140 | 5,252 |  |
Payments |  | (6,112) | (4,021) |  |
Adjustments |  | 0 | 259 |  |
Balance at end of period |  | 57,710 | 50,575 |  |
Self Insurance [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss Contingency, Receivable |  | 83,200 |  | 84,500 |
Loss Contingency, Receivable, Period Increase (Decrease) | [2] | (1,302) | $ (604) |  |
Warranty and Other [Member] |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |
Loss Contingency, Receivable |  | $ 13,900 |  | $ 14,600 |
[1] | These expenses are included in selling, general and administrative expenses and are largely offset by contributions from subcontractors participating in the wrap-up policy.
[2] | Amount for each period represents the changes in the estimated probable insurance and other recoveries that were reclassified to receivables to present our self-insurance liability on a gross basis.

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- Definition Amount of receivable related to a loss contingency accrual. For example, an insurance recovery receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 + Details
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- Definition Amount of increase (decrease) in the standard and extended product warranty accrual from changes in estimates attributable to preexisting 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)(4)) -URI http://asc.fasb.org/extlink&oid=68068213&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=68068213&loc=d3e12565-110249 + Details
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