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Fair Value Measurements - Underlying Asset Value (Details) - USD ($) $ in Thousands | Apr. 30, 2016 | Jan. 30, 2016 | May 02, 2015
--- | --- | --- | ---
Investment [Line Items] |  |  |
Underlying assets in non-qualified deferred compensation program | $ 96,804 | $ 86,073 | $ 102,861
Level 1 [Member] |  |  |
Investment [Line Items] |  |  |
Underlying assets in non-qualified deferred compensation program | 81,285 | 73,633 | 89,536
Level 2 [Member] |  |  |
Investment [Line Items] |  |  |
Underlying assets in non-qualified deferred compensation program | $ 15,519 | $ 12,440 | $ 13,325

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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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