Annual report [Section 13 and 15(d), not S-K Item 405]

Property and Equipment, Net (Details)

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Property and Equipment, Net (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]      
Repairs and maintenance expenses including Dry-dock expenses $ 205.9 $ 160.8 $ 223.5
Interest costs capitalized 59.9 $ 56.4 $ 58.4
Ships improvements      
Property, Plant and Equipment [Line Items]      
Net increase in PPE due to ships under construction 398.6    
Other information technology assets      
Property, Plant and Equipment [Line Items]      
Net increase in PPE due to ships under construction $ 140.5