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Schedule II - Valuation and Qualifying Accounts - Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jan. 31, 2022 | Jan. 31, 2021
SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] |  |  |
Valuation allowances and reserves |  | $ 17,746 | $ 15,937
Valuation allowances and reserves, charges to expenses |  | (717) | 1,854
Valuation allowances and reserves, write-offs | [1] | 0 | 0
Valuation allowances and reserves, other charges | [2] | (124) | (45)
Valuation allowances and reserves |  | 16,905 | 17,746
SEC Schedule, 12-09, Allowance, Credit Loss [Member] |  |  |
Valuation allowances and reserves |  | 474 | 407
Valuation allowances and reserves, charges to expenses |  | 32 | 72
Valuation allowances and reserves, write-offs | [1] | 0 | (7)
Valuation allowances and reserves, other charges | [2] | (20) | 2
Valuation allowances and reserves |  | $ 486 | $ 474
[1] | Uncollectible accounts charged off.
[2] | Trade receivable allowances primarily related to recoveries from accounts previously charged off and currency translation. Deferred tax asset valuation allowance primarily related to amounts charged to other comprehensive income.

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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(Column B)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 Reference 2: 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(Column E)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to cost and expense. + 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(Column C)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of increase in valuation and qualifying accounts and reserves from charge to accounts other than cost and expense. + 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(Column C)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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- Definition Amount of decrease in 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(Column D)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e24092-122690 + Details
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