XML 62 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1
Variable Interest Entities - Summary of Silverton Loan Notes (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Movement in Silverton Loan Notes [Roll Forward]            
Total liability balance of Loan Notes, Beginning Balance     $ 277.9 $ 235.0    
Total change in fair value for the period $ (3.3) $ 0.5 (6.2) (3.9)    
Total distributed in the period     (142.7) (108.4)    
Total liability balance of Loan Notes, Ending Balance 143.0 131.5 143.0 131.5    
Loan notes (long-term liabilities)         $ 137.2 $ 129.8
Accrued expenses (current liabilities)         5.8 1.7
Total aggregate unpaid balance 143.0 131.5 277.9 235.0 143.0 131.5
Third party            
Movement in Silverton Loan Notes [Roll Forward]            
Total liability balance of Loan Notes, Beginning Balance     223.4 190.6    
Total change in fair value for the period     6.2 3.9    
Total distributed in the period     (114.1) (89.0)    
Total liability balance of Loan Notes, Ending Balance 115.5 105.5 115.5 105.5    
Loan notes (long-term liabilities)         110.8 104.1
Accrued expenses (current liabilities)         4.7 1.4
Total aggregate unpaid balance 115.5 105.5 223.4 190.6 115.5 105.5
Aspen Holdings            
Movement in Silverton Loan Notes [Roll Forward]            
Total liability balance of Loan Notes, Beginning Balance     54.5 44.4    
Total change in fair value for the period     1.6 1.0    
Total distributed in the period     (28.6) (19.4)    
Total liability balance of Loan Notes, Ending Balance 27.5 26.0 27.5 26.0    
Loan notes (long-term liabilities)         26.4 25.7
Accrued expenses (current liabilities)         1.1 0.3
Total aggregate unpaid balance $ 27.5 $ 26.0 54.5 44.4 $ 27.5 $ 26.0
Aspen Holdings | Third party            
Movement in Silverton Loan Notes [Roll Forward]            
Total change in fair value for the period     $ 7.8 $ 4.9