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Contingencies (Tables)
 3 Months Ended
Dec. 31, 2019
Commitments and Contingencies Disclosure [Abstract]  
Warranty reserves
Changes in warranty reserves are as follows for the periods presented:
 
Three Months Ended
 
 
December 31,
 
in thousands
2019
 
2018
 
Balance at beginning of period
$
13,388

 
$
15,331

 
Accruals for warranties issued (a)
1,665

 
2,305

 
Changes in liability related to warranties existing in prior periods
67

 
(1,874
)
 
Payments made
(2,474
)
 
(2,330
)
 
Balance at end of period
$
12,646

 
$
13,432

 
(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.