Employee service share based compensation tax benefit (expense) realized from exercise of stock options.

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- Definition

Issuance of common stock shares for stock-based compensation.

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Number of new stock awards.

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Number of share based compensation plans.

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Share based compensation arrangement by share based payment award percentage of shares vested.

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- Definition

Amount, after tax, of expense for award under share-based payment arrangement.

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- Definition

Amount of cost not yet recognized for nonvested 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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- 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 cash inflow from exercise of option under share-based payment arrangement.

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Amount of noncash expense for share-based payment arrangement.

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- Definition

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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- Definition

The number of grants made 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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- 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

The highest quantity of shares an employee can purchase under the plan per period.

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- Definition

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

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).

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Share-Based Payments - Additional Information (Detail)			8 Months Ended	12 Months Ended
Share-Based Payments - Additional Information (Detail)	May 23, 2017 USD ($) shares	May 29, 2014 USD ($) shares	Feb. 03, 2018 Award	Feb. 01, 2020 USD ($) CompensationPlan $ / shares shares	Feb. 02, 2019 USD ($) $ / shares	Feb. 03, 2018 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation \| $				$ 23,038,000	$ 27,506,000	$ 16,890,000
Share-based compensation, net of tax \| $				$ 17,900,000	20,900,000	12,000,000.0
Number of share-based compensation plans \| CompensationPlan				2
Stock awards \| $				$ 22,742,000	$ 27,057,000	17,202,000
Weighted-average grant date fair value of stock options granted \| $ / shares				$ 5.98	$ 5.71
Aggregate intrinsic value of options exercised \| $				$ 800,000	$ 7,400,000	200,000
Net proceeds from stock options exercised \| $				2,119,000	15,495,000	3,355,000
Tax benefit realized from stock option exercises \| $				$ 1,200,000	$ 3,100,000	$ 3,300,000
Shares available for all equity grants				3,700,000
2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares under the plan	11,200,000
Shares of common stock granted				6,000,000.0
2017 Stock Award and Incentive Plan \| Director \| In any single calendar year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards \| $	$ 750,000
2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized shares under the plan		11,500,000
Shares of common stock granted						2,600,000
Number of new stock awards \| Award			0
2014 Stock Award and Incentive Plan \| Director \| In any single calendar year
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards \| $		$ 300,000
2014 Stock Award and Incentive Plan \| Director \| In the first year a person becomes a non-employee director
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock awards \| $		$ 500,000
Stock options, SAR, dividend equivalents, performance awards or other non-full value stock awards \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual	3,000,000.0
Stock options, SAR, dividend equivalents, performance awards or other non-full value stock awards \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual		4,000,000.0
Restricted stock awards, restricted stock units or other full value stock awards \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual	1,500,000
Restricted stock awards, restricted stock units or other full value stock awards \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Maximum number of options that may be granted to any individual		1,500,000
Restricted Stock \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted				2,600,000
Restricted Stock \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted						6,300,000
Performance-Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted				829,000
Vesting period				3 years
Unrecognized compensation expense, restricted stock grants \| $				$ 2,600,000
Performance-Based Restricted Stock Units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period				1 year
Performance-Based Restricted Stock Units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense, weighted average period				3 years
Performance-Based Restricted Stock Units \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested				60.00%
Performance-Based Restricted Stock Units \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						60.00%
Time-based restricted stock awards \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested				40.00%
Time-based restricted stock awards \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						40.00%
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation expense \| $				$ 5,200,000
Unrecognized compensation expense, weighted average period				1 year 10 months 24 days
Time Based Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares granted				1,261,000
Vesting period				3 years
Unrecognized compensation expense, weighted average period				2 years
Unrecognized compensation expense, restricted stock grants \| $				$ 23,200,000
Vest Ratably \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested				97.00%
Vesting period				3 years
Vest Ratably \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						89.00%
Vesting period						3 years
Vest Ratably 1 \| 2017 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested				3.00%
Vest Ratably 1 \| 2017 Stock Award and Incentive Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				1 year
Vest Ratably 1 \| 2017 Stock Award and Incentive Plan \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				2 years
Vest Ratably 1 \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						5.00%
Vesting period						2 years
Cliff Vest 1 \| 2014 Stock Award and Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of shares vested						6.00%
Vesting period						3 years