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Contingencies (Tables) | 6 Months Ended
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Mar. 31, 2020
Commitments and Contingencies Disclosure [Abstract] |
Warranty reserves | Changes in warranty reserves are as follows for the periods presented:
| Three Months Ended |  | Six Months Ended
| March 31, |  | March 31,
in thousands | 2020 |  | 2019 |  | 2020 |  | 2019
Balance at beginning of period | $ | 12,646 |  |  | $ | 13,432 |  |  | $ | 13,388 |  |  | $ | 15,331 |
Accruals for warranties issued (a) | 2,707 |  |  | 2,490 |  |  | 4,372 |  |  | 4,854 |
Changes in liability related to warranties existing in prior periods | (1,151 | ) |  | (663 | ) |  | (1,084 | ) |  | (1,968 | )
Payments made | (2,144 | ) |  | (2,674 | ) |  | (4,618 | ) |  | (5,632 | )
Balance at end of period | $ | 12,058 |  |  | $ | 12,585 |  |  | $ | 12,058 |  |  | $ | 12,585 |
(a) Accruals for warranties issued are a function of the number of home closings in the period, the selling prices of the homes closed, and the rates of accrual per home estimated as a percentage of the selling price of the home.

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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://fasb.org/us-gaap/role/ref/legacyRef -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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