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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Nov. 30, 2021
Accounting Policies [Abstract]  
Schedule of Depreciation and Amortization Expense Computation Property and equipment are stated at cost less accumulated depreciation and any impairment charges. Depreciation is computed using the straight-line method over our estimates of useful lives and residual values, as a percentage of original cost, as follows:
YearsResidual
Values
Ships3015%
Ship improvements
3-30
0%
Buildings and improvements
10-40
0%
Computer hardware and software
2-12
0%
Transportation equipment and other
3-20
0%
Leasehold improvements, including port facilities
Shorter of the remaining lease term or related asset life (3-30)
0%