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Commitment and Contingencies - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jul. 31, 2022 | Jul. 31, 2021 | Jul. 31, 2022 | Jul. 31, 2021 | May 31, 2022
Commitments and Contingencies Disclosure [Abstract] |  |  |  |  |
Lessee, operating lease, modified lease, undiscounted amount |  |  |  |  | $ 68,000,000
Increase in operating lease right of use assets and operating lease liabilities upon modification of existing lease | $ 30,000,000 |  |  |  |
Sublease income | 3,300,000 | $ 3,200,000 | $ 6,600,000 | $ 6,400,000 |
Lessee, Lease, lease not yet commenced, undiscounted amount | 16,000,000 |  | $ 16,000,000 |  |
Lessee, lease, lease not yet commenced, term of contract (in years) |  |  | 10 years |  |
Cost of matching contributions | 0 | $ 0 | $ 0 | $ 0 |
Letters of credit outstanding | $ 17,100,000 |  | $ 17,100,000 |  |

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- Definition Increase (Decrease) in Operating Lease Right of Use Assets and Operating Lease Liabilities Upon Modification of Existing Lease + References No definition available. + Details
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- Definition Lessee, Lease, Lease Not yet Commenced, Term of Contract + References No definition available. + Details
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- Definition Lessee, Lease, Lease Not Yet Commenced, Undiscounted Amount + References No definition available. + Details
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- Definition Lessee, Operating Lease, Modified Lease, Undiscounted Amount + References No definition available. + Details
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- References No definition available. + Details
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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount of sublease income excluding finance and operating lease expense. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI https://asc.fasb.org/extlink&oid=123414884&loc=SL77918982-209971 + Details
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