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Investments - Additional Information (Details) - USD ($) $ in Millions | Feb. 03, 2018 | Jan. 28, 2017
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Available-for-sale Securities |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Assets held by insurance regulators | $ 6.8 | $ 6.6

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- Definition Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 320 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75027294&loc=d3e22002-158495 + Details
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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. + Details
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- Details
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