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Subsequent Events (Details) - Subsequent Events - USD ($)
$ / shares in Units, $ in Millions
Feb. 27, 2024
Jan. 26, 2024
Jan. 24, 2024
Jan. 16, 2024
Jan. 11, 2024
Subsequent Event          
Irregular cash dividends declared (USD per share)     $ 1.00    
Irregular cash dividends payable $ 40.6        
Hanwha Ocean Ltd.          
Subsequent Event          
Installment payments under shipbuilding contract       $ 23.8  
2022 Common Share Repurchase Authority          
Subsequent Event          
Treasury stock shares acquired (in shares)         25,000
Repurchase of common stock (amount)         $ 1.0
Treasury stock shares acquired to date   75,000      
Repurchase of common stock to date (amount)   $ 1.8      
Common stock repurchase authorized amount   $ 98.2