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Income Taxes Income Taxes (Tables)
 9 Months Ended
May 31, 2025
Income Tax Disclosure [Abstract]  
Income Tax Effective Tax Rate [Table Text Block] Comparative earnings before income taxes, income tax expense and effective income tax rates from continuing operations are as follows (dollars in thousands):
 Three Months EndedNine Months Ended
 May 31, 2025May 31, 2024May 31, 2025May 31, 2024
Earnings before income tax expense$28,339 $29,434 $83,914 $78,675 
Income tax expense6,295 6,813 19,246 19,877 
Effective income tax rate22.2 %23.1 %22.9 %25.3 %