v3.8.0.1
ACQUISITIONS Table 4 - Linden Acquisition (Details) - USD ($)
$ in Thousands
Jan. 02, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Business Acquisition [Line Items]        
Goodwill   $ 1,097,475 $ 696,637 $ 696,637
Linden Acquisition [Member]        
Business Acquisition [Line Items]        
Cash paid for the Linden Acquisition $ 142,500      
Fair value of liabilities assumed 22,865      
Consideration 165,365      
Acquisition date fair value of previously held equity interest 128,000      
Total 293,365      
Other current assets 9,513      
Property, plant and equipment, net 134,484      
Goodwill 79,208      
Intangible assets 70,050      
Other long-term assets, net 110      
Purchase price allocation 293,365      
Contingent gain receivable $ 7,800      
Acquired finite-lived intangible assets, weighted average useful life 10 years