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Income Taxes - Liability For Uncertain Tax Positions (Details) - USD ($) $ in Thousands | Jul. 29, 2018 | Jan. 28, 2018
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Income Tax Contingency [Line Items] |  |
Liability for UTP | $ 16,914 | $ 16,059
Non-current deferred tax asset [Member] |  |
Income Tax Contingency [Line Items] |  |
Liability for UTP | 12,236 | 12,135
Other long-term liabilities [Member] |  |
Income Tax Contingency [Line Items] |  |
Liability for UTP | $ 4,678 | $ 3,924

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- Definition Amount recognized for uncertainty in income taxes classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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