Annual report pursuant to Section 13 and 15(d)

GOODWILL (Details)

v3.6.0.2
GOODWILL (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Goodwill, Carrying Amount in Foreign Countries    
Carrying amount of goodwill in foreign countries $ 42,700 $ 36,900
Changes in the carrying amount of goodwill    
Goodwill balance at the beginning of the period 249,939 255,563
Goodwill acquired 8,613 196
Goodwill adjustments due to currency translation (2,887) (5,820)
Goodwill balance at the end of the period $ 255,665 $ 249,939