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Schedule II - Valuation And Qualifying Accounts (Details) - USD ($) | 12 Months Ended
--- | ---
Jan. 26, 2020 | Jan. 27, 2019 | Jan. 28, 2018
Change in Valuation Allowances and Reserves [Roll Forward] |  |  |
Accrued liabilities | $ 50,632,000 | $ 68,462,000 |
Allowance for doubtful accounts and other sales allowances |  |  |
Change in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 774,000 | 9,089,000 | $ 8,230,000
Additions | 4,000 | 129,000 | 11,366,000
Deductions | (145,000) | (2,055,000) | (10,507,000)
Balance at End of Year | 633,000 | 774,000 | 9,089,000
ASU 2014-09 | Allowance for doubtful accounts and other sales allowances |  |  |
Change in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year |  | 2,700,000 |
Balance at End of Year |  |  | $ 2,700,000
Previously Reported | Allowance for doubtful accounts and other sales allowances |  |  |
Change in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at Beginning of Year | 774,000 |  |
Balance at End of Year |  | $ 774,000 |
Restatement Adjustment | ASU 2014-09 |  |  |
Change in Valuation Allowances and Reserves [Roll Forward] |  |  |
Accrued liabilities | 7,400,000 |  |
Restatement Adjustment | ASU 2014-09 | Allowance for doubtful accounts and other sales allowances |  |  |
Change in Valuation Allowances and Reserves [Roll Forward] |  |  |
Balance at End of Year | $ (6,400,000) |  |

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- Definition Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.20) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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