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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Jan. 31, 2021
Schedule of Estimated Useful Lives of Property, Plant And Equipment
Property and equipment is stated at cost. Depreciation is computed using the straight-line method over the following estimated useful lives of the assets:
 
Leasehold improvements
  
Shorter of estimated useful life or lease term (generally
 5 – 22 years)
Fixtures and equipment
   2 – 20 years
Buildings and building improvements
   10 – 40 years
Capitalized software
   2 – 10 years