Long-Term Debt and Credit Lines - Exclusive of Current Installments - Additional Information (Details) - USD ($) $ in Thousands	9 Months Ended
Nov. 03, 2018	Feb. 03, 2018	Oct. 28, 2017
2.50% Ten-Year Notes
Debt Instrument [Line Items]
Debt instrument, interest rate	2.50%
Maturity date	May 15, 2023
Unamortized debt discount	$ 200	$ 234	$ 245
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	$ 194	250	269
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	$ 5,844	$ 6,403	$ 6,590
Effective interest rate	2.32%

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Contractual interest rate for funds borrowed, under the debt agreement.

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No definition available.

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

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount, after accumulated amortization, of debt discount.

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