Summary of Significant Accounting Policies - Estimates of Average Useful Lives and Residual Values of Property and Equipment (Details)	Nov. 30, 2023
Ships
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	30 years
Residual Values (percent)	15.00%
Ship improvements
Property, Plant and Equipment [Line Items]
Residual Values (percent)	0.00%
Ship improvements | Minimum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	3 years
Ship improvements | Maximum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	30 years
Buildings and improvements
Property, Plant and Equipment [Line Items]
Residual Values (percent)	0.00%
Buildings and improvements | Minimum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	10 years
Buildings and improvements | Maximum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	40 years
Computer hardware and software
Property, Plant and Equipment [Line Items]
Residual Values (percent)	0.00%
Computer hardware and software | Minimum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	2 years
Computer hardware and software | Maximum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	12 years
Transportation equipment and other
Property, Plant and Equipment [Line Items]
Residual Values (percent)	0.00%
Transportation equipment and other | Minimum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	3 years
Transportation equipment and other | Maximum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	20 years
Leasehold improvements, including port facilities
Property, Plant and Equipment [Line Items]
Residual Values (percent)	0.00%
Leasehold improvements, including port facilities | Minimum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	3 years
Leasehold improvements, including port facilities | Maximum
Property, Plant and Equipment [Line Items]
Average useful lives of property and equipment (in years)	30 years