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Change In Workers' Compensation Reserve, Effect On Earnings Per Share, After Tax

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Comparable net sales change as a percentage from prior period.

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Effect Of Change In Workers' Compensation Reserve On Net Income

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Effect Of Impairment Charges And Settlement On Net Income

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Effect Of Redemption Premium On Net Income

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Effect Of Tax Cuts And Jobs Act Of 2017 On Net Income

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Redemption Premium, Effect On Earnings Per Share, After Tax

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Tax Cuts And Jobs Act Of 2017, Effect On Earnings Per Share, After Tax

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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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The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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Gross amount of debt extinguished.

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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After tax earnings per share or per unit impact arising from asset impairment.

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The net amount of operating interest income (expense).

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount awarded from other party in judgment or settlement of litigation.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Represents the number of stores.

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The net result for the period of deducting operating expenses from operating revenues.

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

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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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QUARTERLY FINANCIAL INFORMATION (Details) $ / shares in Units, $ in Millions			1 Months Ended	3 Months Ended										7 Months Ended	12 Months Ended
	Mar. 01, 2018 USD ($)	Jan. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Feb. 03, 2018 USD ($) store $ / shares	Jul. 29, 2017 USD ($) $ / shares	Apr. 29, 2017 USD ($) $ / shares	Jan. 28, 2017 USD ($) store $ / shares	Oct. 29, 2016 USD ($) store $ / shares	Jul. 30, 2016 USD ($) store $ / shares	Apr. 30, 2016 USD ($) store $ / shares	Oct. 31, 2015 USD ($) store $ / shares	Aug. 01, 2015 USD ($) store $ / shares	May 02, 2015 USD ($) store $ / shares	Jan. 30, 2016 USD ($)	Feb. 03, 2018 USD ($) store $ / shares	Jan. 28, 2017 USD ($) store $ / shares	Jan. 30, 2016 USD ($) $ / shares
Business Acquisition [Line Items]
Receivable impairment					$ 2.6	$ 50.9									$ 18.5	$ 0.0	$ 0.0
Settlement received				$ 35.0
Effect of impairment charges and settlement on net income				$ 21.4	$ 1.6	$ 31.6
Effect of impairment charges and settlement on diluted net income per share (in USD per share) \| $ / shares				$ 0.09	$ 0.01	$ 0.13
Effect of change in reserves on net income				$ 8.0
Effect of change in reserves on diluted net income per share (in USD per share) \| $ / shares				$ 0.03
Selected Quarterly Financial Information [Abstract]
Net sales				$ 6,360.6			$ 5,635.3	$ 5,316.6	$ 5,281.2	$ 5,287.1	$ 5,001.6	$ 4,996.3	$ 5,085.8		22,245.5	20,719.2	15,498.4
Gross profit				2,101.0			1,807.0	1,666.0	1,627.8	1,627.1	1,520.5	1,512.4	1,554.6		7,021.9	6,394.7	4,656.7
Operating income				765.6			586.5	425.2	419.5	388.8	342.4	357.2	418.7		1,999.1	1,704.8	1,049.7
Net income				$ 1,040.1			$ 321.8	$ 239.9	$ 233.8	$ 200.5	$ 171.6	$ 170.2	$ 232.7		$ 1,714.3	$ 896.2	$ 282.4
Diluted net income per share (usd per share) \| $ / shares				$ 4.37			$ 1.36	$ 1.01	$ 0.98	$ 0.85	$ 0.72	$ 0.72	$ 0.98		$ 7.21	$ 3.78	$ 1.26
Stores open at end of quarter \| store				14,835			14,334	14,744	14,581	14,482	14,284	14,129	13,997		14,835	14,334
Comparable store net sales change (in hundredths)				2.50%			1.30%	3.30%	2.40%	0.50%	1.80%	1.10%	2.20%
Selling, general and administrative expenses, excluding Receivable impairment															$ 5,022.8	$ 4,689.9	$ 3,607.0
Inventory write-down														$ 73.0
Effect Of Tax Cuts And Jobs Act Of 2017 On Net Income				$ 583.7
Tax Cuts And Jobs Act Of 2017, Effect On Earnings Per Share, After Tax \| $ / shares				$ 2.45
Make-whole premium															301.8	$ 375.5	$ 599.4
Suit Against Sycamore Partners And Dollar Express [Member] \| Settled Litigation [Member]
Business Acquisition [Line Items]
Settlement received			$ 35.0
Senior Notes [Member] \| Five Point Two Five Percent Notes Acquired in Acquisition, Due 2020 [Member]
Selected Quarterly Financial Information [Abstract]
Call for redemption of 2020 Notes		$ 750.0
Make-whole premium															$ 9.8
Effect Of Redemption Premium On Net Income				$ 6.2
Redemption Premium, Effect On Earnings Per Share, After Tax \| $ / shares				$ 0.03
Subsequent Event [Member] \| Senior Notes [Member] \| Five Point Two Five Percent Notes Acquired in Acquisition, Due 2020 [Member]
Selected Quarterly Financial Information [Abstract]
Redemption of 2020 notes	$ 759.8