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Derivative Instruments, Hedging Activities and Fair Value (Details 5) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2016
Sep. 30, 2017
Dec. 31, 2016
Unit Adjustment Liability, Infrastructure Transaction      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance at beginning of period $ 79,934    
Reduction in the fair value related to election not to make 2016 payments (19,145)    
Sale of equity interest in Brand (65,461)    
Change in fair value to the unit adjustment liability 4,672    
Balance at end of period $ 0    
Fair value measurements recurring | Level 2      
Assets      
Foreign currency forward exchange contracts   $ 3,245 $ 4,932
Liabilities      
Foreign currency forward exchange contracts   22,790 3,538
Interest rate swaps | Fair value measurements recurring | Level 2      
Assets      
Cross-currency interest rate swaps   92  
Liabilities      
Interest rate swaps   2,970  
Cross currency interest rate swaps | Fair value measurements recurring | Level 2      
Assets      
Cross-currency interest rate swaps   $ 110 $ 514