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Summary of Significant Accounting Policies (Tables) | 6 Months Ended
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Jul. 31, 2021
Accounting Policies [Abstract] |
Useful Lives of Major Classes of Assets | The useful lives of our major classes of assets are as follows:
Buildings |  | 25 years
Leasehold improvements |  | Lesser of 10 years or the term of the lease
Fixtures and equipment Information technology |  | Five years Three - five years

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