XML 80 R67.htm IDEA: XBRL DOCUMENT v3.5.0.2
Financing Receivables (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2011
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable, net $ 350.6   $ 228.8
Other current assets $ 335.4   447.6
Codrilla Mine Project [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Percentage of ownership before selldown   85.00%  
Percentage of undivided interests acquired   73.30%  
Percentage of agreed sale price as final installment payment due 40.00%    
Middlemount Mine [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Equity method investment, ownership percentage 50.00%    
Basis spread over Australian Bank Bill Swap Reference Rate 3.50%    
Financing Receivable [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable, net $ 5.4   0.0
Other current assets 0.0   20.0
Investments and other assets 58.6   65.2
Total financing receivables 64.0   85.2
Financing Receivable [Member] | Codrilla Mine Project [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable, net 5.4    
Other current assets     20.0
Financing Receivable [Member] | Middlemount Mine [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Investments and other assets $ 58.6   $ 65.2