XML 66 R52.htm IDEA: XBRL DOCUMENT v3.4.0.3
Derivative Instruments, Hedging Activities and Fair Value (Details 5) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
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 $ 93,762  
Reduction in the fair value related to election not to make 2016 payments (19,145)    
Payments 0 (5,580)  
Change in fair value to the unit adjustment liability 1,913 2,245  
Balance at end of period [1] 62,702 90,427  
Contingent Consideration for Acquisition [Member]      
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Reduction in the fair value related to election not to make 2016 payments   $ 0  
Fair value measurements recurring | Level 2      
Assets      
Foreign currency forward exchange contracts 1,845   $ 5,828
Cross-currency interest rate swaps 861   15,417
Liabilities      
Foreign currency forward exchange contracts $ 11,378   $ 1,738
[1] See Note 4, Equity Method Investments, for additional information related to the unit adjustment liability.