Represents the total fair value of options granted during the reporting period.

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Amount of cost capitalized for award under share-based payment arrangement.

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

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

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The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc.

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Amount of noncash expense for share-based payment arrangement.

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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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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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock-Based Compensation - Narrative (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Oct. 18, 2020	Apr. 30, 2022	May 01, 2021	Oct. 31, 2020
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense		$ 12,802	$ 15,307
Stock-based compensation cost capitalized		0	0
Selling, general and administrative expenses		293,295	$ 219,089
Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense		5,900
Stock Options \| Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock	700,000
Exercise price of option granted	$ 385.30
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Unrecognized compensation expense related to unvested options		$ 97,000
Unrecognized compensation expense with weighted-average period		4 years 7 months 17 days
Aggregate intrinsic value of options outstanding		$ 889,000
Aggregate intrinsic value of options vested or expected to vest		856,000
Aggregate intrinsic value of options exercisable		$ 751,000
Weighted-average remaining contractual life of options exercisable		4 years 5 months 12 days
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Stock Options \| Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Unrecognized compensation expense related to unvested options				$ 27,000
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Restricted Stock And Restricted Stock Unit
Share Based Compensation Arrangement By Share Based Payment Award
Unrecognized compensation expense related to unvested options		$ 7,800
Unrecognized compensation expense with weighted-average period		4 years 4 months 13 days
Restricted stock awards outstanding		24,690
Restricted stock awards outstanding with weighted-average grant date fair value per share		$ 423.88
Weighted-average fair value per share of awards granted		$ 193.82
Vested restricted stock unit		2,220
Time-Based Restrictions and Performance-Based Restrictions \| Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Aggregate non-cash stock compensation expense		$ 174,000