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Income tax
 3 Months Ended
Oct. 31, 2025
Income Tax Disclosure [Abstract]  
Income tax Income tax
The Company’s tax provision for each period presented was calculated using an estimated annual tax rate, adjusted for discrete items occurring during the applicable period to arrive at an effective tax rate. The effective income tax rates for the relevant periods were as follows:
Three months ended
October 31,
20252024
Effective tax rate19.9 %24.7 %
During the three months ended October 31, 2025, there were no material changes to the Company’s unrecognized tax benefits, beyond the release of benefits following the lapse of statute of limitations, when compared to those items disclosed in the Annual Report.