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Rollover units and profit interests.

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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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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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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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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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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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Number of options vested.

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Weighted average grant-date fair value of options vested.

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Stock-Based Compensation - Narrative (Detail) - USD ($)		3 Months Ended		6 Months Ended
Stock-Based Compensation - Narrative (Detail) - USD ($)	Oct. 18, 2020	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020	Jan. 30, 2021	May 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense		$ 10,100,000	$ 6,900,000	$ 25,431,000	$ 12,689,000
Stock-based compensation cost capitalized				0	0
Rollover units and profit interests		3,632,000		3,632,000		$ 3,490,000
Selling, general and administrative expenses		238,688,000	$ 195,851,000	$ 457,777,000	360,052,000
Design Investors WW Acquisition Company, LLC \| Profit interests
Share Based Compensation Arrangement By Share Based Payment Award
Profit interest expected life				5 years
Selling, general and administrative expenses				$ 100,000	$ 200,000
Liability associated with the profit interests		2,100,000		2,100,000		2,000,000.0
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
Appreciation rights \| Design Investors WW Acquisition Company, LLC
Share Based Compensation Arrangement By Share Based Payment Award
Rollover units and profit interests		1,500,000		1,500,000		$ 1,500,000	$ 1,500,000
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		97,700,000		$ 97,700,000
Unrecognized compensation expense with weighted-average period				5 years 14 days
Aggregate intrinsic value of options outstanding		4,395,800,000		$ 4,395,800,000
Aggregate intrinsic value of options vested or expected to vest		4,240,600,000		4,240,600,000
Aggregate intrinsic value of options exercisable		$ 3,794,800,000		$ 3,794,800,000
Outstanding shares		7,895,050		7,895,050
Options outstanding, weighted-average exercise price per share		$ 107.35		$ 107.35
Weighted-average remaining contractual life of options exercisable				3 years 4 months 17 days
Numbers of options vested				7,555,774
Vested weighted-average exercise price per share				$ 102.88
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		$ 44,800,000		$ 44,800,000
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		$ 2,900,000		$ 2,900,000
Unrecognized compensation expense with weighted-average period				1 year 9 months 3 days
Restricted stock awards outstanding		23,690		23,690
Restricted stock awards outstanding with weighted-average grant date fair value per share		$ 157.52		$ 157.52
Weighted-average fair value per share of awards granted		$ 42.47		$ 43.06
Vested restricted stock unit		61,340		65,760
Time-Based Restrictions and Performance-Based Restrictions \| Stock Options \| Chairman and Chief Executive Officer
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense		$ 5,800,000		$ 11,700,000
Aggregate non-cash stock compensation expense				$ 173,600,000