Charges and Credits (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2020	Oct. 31, 2019
Restructuring Cost and Reserve [Line Items]
RegulatoryMatterandOtherLegalFee	$ 0	$ 2,628	$ 0	$ 1,933
Professional Fees, Charges and Credits	0	0	3,589	0
Charges and credits	0	3,837	3,589	3,142
Gain (Loss) on Disposition of Assets		600		600
Capitalized Computer Software, Impairments	$ 0	1,209	$ 0	1,209
Sublease Income				700
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Impairment of Leasehold		$ 3,200		$ 3,200

Business Exit Costs, Charges and Credits

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- Definition

Professional Fees, Charges and Credits

+ References

No definition available.

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- Definition

Amount of impairment loss from capitalized computer software costs.

+ References

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

+ References

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- Definition

The adjustment to reduce the value of existing agreements that specify the lessee's rights to use the leased property. This expense is charged when the estimates of future profits generated by the leased property are reduced.

+ References

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Amount of other expense (income) that is infrequent in occurrence or unusual in nature.

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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.

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Amount of sublease income excluding finance and operating lease expense.

+ References

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