Annual report pursuant to Section 13 and 15(d)

Customer and Supplier Concentrations (Details)

v3.10.0.1
Customer and Supplier Concentrations (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Concentration Risk [Line Items]    
Revenues $ 7,606,248 $ 6,989,624
Receivables, net 35,856 39,295
Customer concentrations    
Concentration Risk [Line Items]    
Revenues 7,606,248 6,989,624
Receivables, net $ 35,856 $ 39,295
Concentration risk, percentage 100.00% 100.00%
Revenue | Customer concentrations    
Concentration Risk [Line Items]    
Revenues $ 3,751,913 $ 2,664,458
Concentration risk, percentage 49.30% 38.20%
Accounts Receivable | Customer concentrations    
Concentration Risk [Line Items]    
Receivables, net $ 22,435 $ 27,889
Concentration risk, percentage 62.50% 71.00%
HSBC Bank USA | Revenue | Customer concentrations    
Concentration Risk [Line Items]    
Revenues $ 2,039,134 $ 1,492,926
Concentration risk, percentage 26.80% 21.40%
Mitsubishi Intl. Corp. | Revenue | Customer concentrations    
Concentration Risk [Line Items]    
Revenues $ 1,712,779 $ 1,171,532
Concentration risk, percentage 22.50% 16.80%
Customer A | Accounts Receivable | Customer concentrations    
Concentration Risk [Line Items]    
Receivables, net $ 14,967 $ 27,072
Concentration risk, percentage 41.70% 68.90%
Customer B | Accounts Receivable | Customer concentrations    
Concentration Risk [Line Items]    
Receivables, net $ 7,468 $ 817
Concentration risk, percentage 20.80% 2.10%