Annual report pursuant to Section 13 and 15(d)

FAIR VALUE MEASUREMENTS (Assets and Liabilities Measured on Recurring Basis) (Details)

v3.10.0.1
FAIR VALUE MEASUREMENTS (Assets and Liabilities Measured on Recurring Basis) (Details)
$ in Thousands
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
Liabilities:    
Put option specific events trigger put option certain to occur 1  
Recurring [Member]    
Assets:    
Cash equivalents $ 86,046 $ 58,063
Forward currency contracts 779 114
Total 86,825 58,177
Liabilities:    
Forward currency contracts 260 1,276
Put option 8,002 5,768
Subsidiary Equity Award, Fair Value Disclosure 3,571 0
Contingent consideration 62,475 70,039
Total 74,308 77,083
Level 1 [Member] | Recurring [Member]    
Assets:    
Cash equivalents 86,046 58,063
Forward currency contracts 0 0
Total 86,046 58,063
Liabilities:    
Forward currency contracts 0 0
Put option 0 0
Subsidiary Equity Award, Fair Value Disclosure 0 0
Contingent consideration 0 0
Total 0 0
Level 2 [Member] | Recurring [Member]    
Assets:    
Cash equivalents 0 0
Forward currency contracts 779 114
Total 779 114
Liabilities:    
Forward currency contracts 260 1,276
Put option 0 0
Subsidiary Equity Award, Fair Value Disclosure 0 0
Contingent consideration 0 0
Total $ 260 1,276
Level 3 [Member]    
Liabilities:    
Third party put option to sell its noncontrolling interest 1  
Level 3 [Member] | Recurring [Member]    
Assets:    
Cash equivalents $ 0 0
Forward currency contracts 0 0
Total 0 0
Liabilities:    
Forward currency contracts 0 0
Put option 8,002 5,768
Subsidiary Equity Award, Fair Value Disclosure 3,571 0
Contingent consideration 62,475 70,039
Total $ 74,048 $ 75,807