TRANSACTIONS WITH INTEGRA Integra Net Investment (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Related Party Transaction [Line Items]
Reclassification of Integra investment	$ 0	$ 43,149
Integra | Affiliated Entity
Related Party Transaction [Line Items]
Reclassification of Integra investment		73,246
Cash pooling and general financing activities | Integra | Affiliated Entity
Related Party Transaction [Line Items]
Reclassification of Integra investment		34,361
Corporate Allocations (excluding non-cash adjustments) | Integra | Affiliated Entity
Related Party Transaction [Line Items]
Reclassification of Integra investment		8,788
Total Integra net investment in financing activities within cash flow statement | Integra | Affiliated Entity
Related Party Transaction [Line Items]
Reclassification of Integra investment		43,149
Non-cash adjustments | Integra | Affiliated Entity
Related Party Transaction [Line Items]
Reclassification of Integra investment		29,806
Foreign exchange impact | Integra | Affiliated Entity
Related Party Transaction [Line Items]
Reclassification of Integra investment		$ 291