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Commitments and Contingencies (Changes in the Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |  |
--- | --- | --- | ---
Feb. 28, 2014 | Feb. 28, 2013 | Nov. 30, 2013 | Nov. 30, 2012
Loss Contingencies [Line Items] |  |  |  |  |  |
Self Insurance Reserve | $ 90,416 |  | $ 91,723 |  | $ 92,214 | $ 93,349
Expenses Associated with Self Insurance | 2,616 | [1] | 1,809 | [1] |  |
Payments, Net of Recoveries for Self Insurance | (4,414) | [2] | (3,435) | [2] |  |
Changes in the Warranty Liability |  |  |  |  |  |
Balance at beginning of period | 48,704 |  | 47,822 |  |  |
Warranties issued | 3,426 |  | 2,766 |  |  |
Payments | (8,711) |  | (8,929) |  |  |
Adjustments | 0 |  | 1,674 |  |  |
Balance at end of period | $ 43,419 |  | $ 43,333 |  |  |
[1] | (a)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] | (b)Recoveries are reflected at the time we receive funds from subcontractors and/or their insurers.

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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=6398077&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=6398077&loc=d3e12565-110249 + Details
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