Capital Shares - Capital Shares (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Oct. 31, 2025	Oct. 31, 2024	Oct. 31, 2023
Equity [Abstract]
Number of Shares (in shares)	1,400	123	373
Total Amount	$ 299,565	$ 28,198	$ 79,786
Average per Share (in dollars per share)	$ 214.03	$ 228.60	$ 213.62