Three months ended

Nine months ended

($ in thousands)

May 31,
2023

May 31,
2022

May 31,
2023

May 31,
2022

Product warranty accrual balance, beginning of period

$

14,172

$

12,818

$

14,080

$

12,736

Liabilities accrued for warranties during the period

3,686

3,317

7,814

7,536

Warranty claims paid during the period

(3,369

)

(2,600

)

(7,405

)

(6,601

)

Changes in estimates

—

(58

)

—

(194

)

Product warranty accrual balance, end of period

$

14,489

$

13,477

$

14,489

$

13,477