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Significant Accounting Policies - Allowances Against Accounts Receivable (Details) - USD ($) $ in Thousands | Jan. 28, 2018 | Jan. 29, 2017
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Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for doubtful accounts | $ (9,089) | $ (8,230)
Allowance for Doubtful Accounts |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for doubtful accounts | (2,700) | (2,696)
Sales Rebates Allowance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for doubtful accounts | (2,634) | (2,571)
Sales Returns Allowance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for doubtful accounts | (2,018) | (1,795)
Other Allowances |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Allowance for doubtful accounts | $ (1,737) | $ (1,168)

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- Definition A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. + 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 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5074-111524 + Details
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