Quarterly report pursuant to Section 13 or 15(d)

Investments, At Equity, And Advances To 50% Or Less Owned Companies (Narrative) (Details)

v3.2.0.727
Investments, At Equity, And Advances To 50% Or Less Owned Companies (Narrative) (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2015
USD ($)
Jun. 30, 2015
USD ($)
equipment
shares
Dec. 31, 2014
USD ($)
May. 31, 2015
Schedule Of Equity Method Investments [Line Items]        
Guarantor Obligations, Maximum Exposure, Undiscounted   $ 91.3    
Allocable Share of Uncalled Capital   1.4    
Mexmar [Member]        
Schedule Of Equity Method Investments [Line Items]        
Partners' Capital Account, Contributions   7.9    
Secured Debt, Repayments $ 15.0      
OSV Partners [Member]        
Schedule Of Equity Method Investments [Line Items]        
Partners' Capital Account, Contributions     $ 1.4  
Falcon Global [Member]        
Schedule Of Equity Method Investments [Line Items]        
Partners' Capital Account, Contributions   $ 9.9    
Equity Method Investment, Ownership Percentage   50.00%    
SCFCo Holdings [Member]        
Schedule Of Equity Method Investments [Line Items]        
Partners' Capital Account, Contributions   $ 3.0    
Outstanding Working Capital Advances At End Of Period   31.7    
Bunge Scf Grain [Member]        
Schedule Of Equity Method Investments [Line Items]        
Outstanding Working Capital Advances At End Of Period   7.0    
Proceeds from Collection of Advance to Affiliate   (2.0)    
SCF Bunge Marine [Member]        
Schedule Of Equity Method Investments [Line Items]        
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital   $ 2.5    
Dorian LPG [Member]        
Schedule Of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage   15.88%    
Sale of Stock, Number of Shares Issued in Transaction | shares   150,000    
Proceeds from Sale and Maturity of Marketable Securities   $ 2.3    
Investments, at Equity, and Advances to 50% or Less Owned Companies   140.7    
Equity Method Investment, Quoted Market Value   153.1    
Trailer Bridge Inc [Member]        
Schedule Of Equity Method Investments [Line Items]        
Repayment of Notes Receivable from Related Parties   15.5    
Sea-Access [Member]        
Schedule Of Equity Method Investments [Line Items]        
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital   3.9    
Partners' Capital Account, Return of Capital   2.9    
Seajon [Member]        
Schedule Of Equity Method Investments [Line Items]        
Proceeds from Equity Method Investment, Dividends or Distributions, Return of Capital   0.6    
SeaJon II [Member]        
Schedule Of Equity Method Investments [Line Items]        
Partners' Capital Account, Contributions $ 1.0      
Avion Pacific Limited [Member]        
Schedule Of Equity Method Investments [Line Items]        
Repayment of Notes Receivable from Related Parties     $ 3.0  
V&A [Member]        
Schedule Of Equity Method Investments [Line Items]        
Equity Method Investment, Ownership Percentage       81.10%
VA&E [Member]        
Schedule Of Equity Method Investments [Line Items]        
Partners' Capital Account, Contributions   $ 3.5    
Equity Method Investment, Ownership Percentage   41.30%    
Business Combination, Separately Recognized Transactions, Net Gains and Losses   $ 0.1    
Line of Credit Facility, Maximum Borrowing Capacity   6.0    
Proceeds from Unsecured Lines of Credit   1.8    
Repayments of Long-term Lines of Credit   (2.0)    
Long-term Line of Credit   $ 1.2    
Offshore Support Vessels [Member] | OSV Partners [Member]        
Schedule Of Equity Method Investments [Line Items]        
Number Of Equipments Delivered | equipment   1    
Payments to Acquire Machinery and Equipment   $ 14.3