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Contingencies (Tables)
 6 Months Ended
Mar. 31, 2025
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Warranty Reserves
Changes in warranty reserves are as follows for the periods presented:
Three Months EndedSix Months Ended
 March 31,March 31,
in thousands2025202420252024
Balance at beginning of period$12,005 $12,348 $12,717 $13,046 
Warranty provision1,552 2,208 3,245 4,112 
Warranty expenditures(2,003)(2,427)(4,408)(5,029)
Balance at end of period$11,554 $12,129 $11,554 $12,129