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Stock-based compensation - Summarized Activity Related to Director Deferred Compensation Shares (Detail) - Directors - Deferred Compensation Share Equivalent Units shares in Thousands | 3 Months Ended
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Jan. 31, 2023 $ / shares shares
Number of Shares |
Outstanding, Beginning balance (in shares) | shares | 90
Distributions (in shares) | shares | (4)
Outstanding, Ending balance (in shares) | shares | 86
Weighted-Average Grant Date Fair Value |
Beginning balance (in dollars per share) | $ / shares | $ 77.70
Distributions (in dollars per share) | $ / shares | 50.88
Ending balance (in dollars per share) | $ / shares | $ 79.73

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