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Mexican IVA taxes receivable (Details) - Mexican Tax Authority
$ in Millions, $ in Millions
Apr. 30, 2024
USD ($)
Apr. 30, 2024
MXN ($)
Oct. 31, 2023
USD ($)
Oct. 31, 2023
MXN ($)
Apr. 30, 2022
USD ($)
Apr. 30, 2022
MXN ($)
IVA receivables            
IVA receivables balance $ 55.6 $ 952.8 $ 49.9 $ 913.6    
Unrecoverable value added tax         $ 0.4 $ 6.9