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- Definition

Closing market price of ordinary shares on NASDAQ on last day of reporting period.

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No definition available.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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- Definition

Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Amount of additional cost recognized for award under share-based payment arrangement from occurrence of event accelerating recognition of cost.

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of shares for which recognition of cost was accelerated for award under share-based payment arrangement.

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No definition available.

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- Definition

Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Stock-based Compensation - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Jan. 31, 2024	Oct. 31, 2023	Oct. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Accrued stock-based compensation expense liabilities		$ 1,400,000	$ 1,400,000
Closing price of ordinary shares		$ 44.99	$ 44.99
Mr. Brian White [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Additional stock-based compensation expense, net related to departure recognized	$ 1,900,000	$ 200,000
Mr. Brian White [Member] \| Forecast [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Acceleration of vesting of shares of unvested equity awards	24,559
Additional stock-based compensation expense, net related to departure recognized	$ 693,000
Stock options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total unrecognized compensation cost, stock options		8,300,000	$ 8,300,000
Weighted average recognition period			1 year 5 months 12 days
Restricted stock units [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Total unrecognized compensation cost, restricted stock units		188,000,000	$ 188,000,000
Weighted average recognition period			2 years 6 months 21 days
Aggregate intrinsic value of unvested restricted stock units		$ 120,000,000.0	$ 120,000,000.0