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TANGIBLE FIXED ASSETS - Narrative (Details)
$ in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
vessel
valuation
Dec. 31, 2024
USD ($)
vessel
valuation
Dec. 31, 2023
USD ($)
vessel
valuation
Disclosure of detailed information about property, plant and equipment [line items]      
Number of vessels taken delivery of | vessel 1 19 5
Aggregate cash consideration $ 34.0 $ 864.5 $ 173.0
Number of internationally acknowledged shipbrokers providing valuations for impairment testing | valuation 2 2 2
Period used to calculate residual values of recycling prices 3 years    
Bottom of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Vessel dry-docking interval 24 months    
Top of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Vessel dry-docking interval 60 months    
Vessels and capitalized dry-docking      
Disclosure of detailed information about property, plant and equipment [line items]      
Capitalized dry-docking costs $ 132.8 $ 108.2 $ 75.1
Vessels on short term time charter leases $ 242.1 $ 395.5 $ 169.8
Vessels      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 25 years    
Other plant and operating equipment | Bottom of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 3 years    
Other plant and operating equipment | Top of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 15 years    
Company cars      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 3 years    
IT equipment | Bottom of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 3 years    
IT equipment | Top of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 5 years    
Computer software | Bottom of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 3 years    
Computer software | Top of range      
Disclosure of detailed information about property, plant and equipment [line items]      
Estimated useful lives 5 years