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Long-Term Debt, Exclusive of Current Installments (Additional Information) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018
Debt Instrument [Line Items]
Unamortized debt discount	$ 6,020
2.50% Ten-Year Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.50%
Maturity date	May 15, 2023
Unamortized debt discount	$ 189	$ 234
Effective interest rate	2.51%
2.75% Seven-Year Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.75%
Maturity date	Jun. 15, 2021
Unamortized debt discount	$ 174	250
Effective interest rate	2.76%
2.25% Ten-Year Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.25%
Maturity date	Sep. 15, 2026
Unamortized debt discount	$ 5,657	$ 6,403
Effective interest rate	2.32%

X

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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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.

+ References

No definition available.

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(2))
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-Name Accounting Standards Codification
-Topic 820
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-Section 50
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- Definition

Amount, after accumulated amortization, of debt discount.

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