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Contingencies (Tables)
9 Months Ended
Jun. 30, 2021
Commitments and Contingencies Disclosure [Abstract]  
Warranty reserves
Changes in warranty reserves are as follows for the periods presented:
Three Months EndedNine Months Ended
 June 30,June 30,
in thousands2021202020212020
Balance at beginning of period$12,421 $12,058 $13,052 $13,388 
Accruals for warranties issued (a)
2,921 2,798 7,958 7,170 
Changes in liability related to warranties existing in prior periods(294)(285)26 (1,369)
Payments made(2,702)(2,279)(8,690)(6,897)
Balance at end of period$12,346 $12,292 $12,346 $12,292 
(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.