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Stock Repurchase Program - Summary of Stock Repurchases (Details) - USD ($) $ in Thousands | 3 Months Ended | 121 Months Ended
--- | --- | ---
Apr. 29, 2018 | Apr. 30, 2017 | Apr. 29, 2018
Equity, Class of Treasury Stock [Line Items] |  |  |
Shares repurchased under the stock repurchase program, shares | 645,114 | 300,000 |
Shares repurchased under the stock repurchase program, value | $ 25,325 | $ 9,961 | $ 176,700
Stock Repurchase Program WIth No Expiration Date [Member] |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |
Shares repurchased under the stock repurchase program, shares | 645,114 | 300,000 |
Shares repurchased under the stock repurchase program, value | $ 25,325 | $ 9,961 |

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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: 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(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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