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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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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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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 ($)					12 Months Ended
Stock-Based Compensation - Narrative (Detail) - USD ($)	Mar. 03, 2020	Feb. 04, 2019	May 02, 2017	Nov. 01, 2012	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense					$ 21,832,000	$ 23,983,000	$ 50,709,000
Stock-based compensation cost capitalized					0	0	0
Rollover units and profit interests					3,064,000	2,637,000
Selling, general and administrative expenses					$ 732,180,000	723,841,000	722,183,000
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					$ 500,000	400,000	400,000
Design Investors WW Acquisition Company, LLC \| Profit interests \| Other non-current obligations
Share Based Compensation Arrangement By Share Based Payment Award
Liability associated with the profit interests					$ 1,600,000	1,100,000
Chairman and chief executive officer \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense							37,500,000
Stock Options \| Chairman and chief executive officer
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			1,000,000
Exercise price of option granted			$ 50
Time based restricted \| Chairman and chief executive officer
Share Based Compensation Arrangement By Share Based Payment Award
Number of share lapse per year			250,000
Time based restricted \| Chairman and chief executive officer \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Option vesting period			4 years
Performance based restricted \| Chairman and chief executive officer \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Expected vested exercise price description					performance-based restrictions linked to achieving the Company’s common stock price objectives of $100, $125 and $150 per share.
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
Appreciation rights \| Design Investors WW Acquisition Company, LLC \| Rollover Units
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense					0	0	0
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Officer
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock				6,829,041
2012 Stock Incentive Plan and 2012 Stock Option Plan \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense					$ 14,000,000.0	$ 13,600,000	37,500,000
Outstanding shares					7,134,735	7,499,416
Options outstanding, weighted-average exercise price per share					$ 58.34	$ 54.37
Aggregate intrinsic value of options outstanding					$ 1,073,500,000
Aggregate intrinsic value of options vested or expected to vest					1,035,600,000
Aggregate intrinsic value of options exercisable					$ 891,500,000
Weighted-average remaining contractual life of options exercisable					4 years 1 month 6 days
Unrecognized compensation expense related to unvested options					$ 35,500,000
Unrecognized compensation expense with weighted-average period					3 years 1 month 17 days
Option to purchase of common stock					534,050
Exercise price of option granted					$ 110.17
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
Stock-based compensation expense							23,900,000
2012 Stock Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized		1,829,108				1,419,552
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized	384,734	409,556			1,630,107
2012 Stock Incentive Plan \| Restricted stock and restricted stock unit
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense					$ 7,300,000	$ 10,000,000.0	$ 12,800,000
Unrecognized compensation expense with weighted-average period					1 year 5 months 19 days
Outstanding shares					219,985	415,469
Restricted stock awards outstanding with weighted-average grant date fair value per share					$ 49.00	$ 52.40
Vested restricted stock unit					176,508
Weighted-average fair value per share of awards granted					$ 129.21	$ 111.38	$ 55.31
Weighted-average Grant Date Fair Value, Released					$ 59.61
Unrecognized compensation expense related to unvested options					$ 5,500,000
Time-Based Restrictions and Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Stock-based compensation expense							$ 23,900,000
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options
Share Based Compensation Arrangement By Share Based Payment Award
Common stock, lapse description					The stock price objectives are measured each year and are set at prices for the Company’s common stock of $100, $125 and $150 per share. If all three stock price objectives are met in the first performance year, restrictions will lapse as to 250,000 shares in aggregate at the end of such year, with 83,333 shares tied to a $100 price per share, 83,333 shares tied to a $125 price per share and 83,334 shares tied to a $150 price per share.
Profit interest expected life					8 years
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| Price Objective 1
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			83,333
Exercise price of option granted			$ 100		$ 100
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| Price Objective 2
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			83,333
Exercise price of option granted			$ 125		125
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| Price Objective 3
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			83,334
Exercise price of option granted			$ 150		$ 150
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| First performance year
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			250,000
Performance years					1 year
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| Second performance year
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			250,000
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| Third performance year
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			250,000
Performance-Based Restrictions \| Chairman and chief executive officer \| Stock Options \| Fourth performance year
Share Based Compensation Arrangement By Share Based Payment Award
Option to purchase of common stock			250,000
Performance years					4 years