Fair Value Measurements - Carrying Amounts and Fair Values of Financial Instruments, Other than Cash and Cash Equivalents, Receivables and Accounts Payable (Detail) - USD ($) $ in Thousands	Oct. 31, 2025	Oct. 31, 2024
Schedule Of Carrying Amounts And Fair Values Of Financial Instruments [Abstract]
Long-term debt (including current portion), Carrying Amount	$ 1,996,254	$ 2,186,840
Long-term debt (including current portion), Fair Value	$ 2,038,869	$ 2,219,414