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Allowance for Doubtful Accounts (Accounts Receivable and Allowance for Doubtful Accounts) (Details) - USD ($) $ in Thousands | Jul. 31, 2021 | Jan. 31, 2021 | Jul. 31, 2020 | Jan. 31, 2020
--- | --- | --- | --- | ---
Segment Reporting Information [Line Items] |  |  |  |
Accounts receivable, gross | $ 402,489 | $ 510,157 | $ 287,710 |
Allowance for doubtful accounts | (17,442) | (17,459) | (11,208) | $ (710)
Accounts receivable, net | 385,047 | 492,698 | 276,502 |
Wholesale |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Accounts receivable, gross | 400,714 | 509,010 | 284,031 |
Allowance for doubtful accounts | (17,386) | (17,429) | (11,178) | (628)
Accounts receivable, net | 383,328 | 491,581 | 272,853 |
Retail [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Accounts receivable, gross | 1,775 | 1,147 | 3,679 |
Allowance for doubtful accounts | (56) | (30) | (30) | $ (82)
Accounts receivable, net | $ 1,719 | $ 1,117 | $ 3,649 |

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- Definition Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 + Details
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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(5)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- Definition Amount of allowance for credit loss on accounts receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 13 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121599878&loc=SL82895884-210446 + 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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