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Contingent Obligations and Contingencies (Details) $ in Millions | 9 Months Ended
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Oct. 31, 2020 USD ($) Lease
Commitments and Contingencies Disclosure [Abstract] |
Number of leases subject to contingent liability, maximum | Lease | 8
Estimated contingent obligations | $ | $ 12.0

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- Definition Number of leases subject to contingent liability, maximum. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
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- References No definition available. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12069-110248 + Details
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