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Commitments and Contingencies (Tables) | 6 Months Ended
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May 31, 2018
Commitments and Contingencies Disclosure [Abstract] |
Changes in the Warranty Liability | The changes in our warranty liability were as follows (in thousands):
| Three Months Ended May 31, |  | Six Months Ended May 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
Balance at beginning of period | $ | 71,845 |  |  | $ | 57,710 |  |  | $ | 69,798 |  |  | $ | 56,682 |
Warranties issued | 9,889 |  |  | 8,784 |  |  | 17,653 |  |  | 15,924 |
Payments | (5,330 | ) |  | (6,457 | ) |  | (11,047 | ) |  | (12,569 | )
Balance at end of period | $ | 76,404 |  |  | $ | 60,037 |  |  | $ | 76,404 |  |  | $ | 60,037 |
Schedule of Self-Insurance Liability | The changes in our self-insurance liability were as follows (in thousands):
| Three Months Ended May 31, |  | Six Months Ended May 31,
| 2018 |  | 2017 |  | 2018 |  | 2017
Balance at beginning of period | $ | 180,695 |  |  | $ | 159,882 |  |  | $ | 177,695 |  |  | $ | 158,584 |
Self-insurance expense (a) | 4,309 |  |  | 3,598 |  |  | 8,710 |  |  | 8,238 |
Payments | (1,277 | ) |  | (2,720 | ) |  | (2,642 | ) |  | (4,760 | )
Adjustments (b) | (7,012 | ) |  | (4,255 | ) |  | (7,048 | ) |  | (5,557 | )
Balance at end of period | $ | 176,715 |  |  | $ | 156,505 |  |  | $ | 176,715 |  |  | $ | 156,505 |
(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.
(b) | The amount for each period reflects changes in our self-insurance liability that were offset by changes in the receivable for estimated probable insurance and other recoveries to present our self-insurance liability on a gross basis.

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- Definition Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate 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 -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 + Details
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