Annual report pursuant to Section 13 and 15(d)

GOODWILL (Details)

v3.3.1.900
GOODWILL (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Goodwill, Carrying Amount in Foreign Countries    
Carrying amount of goodwill in foreign countries $ 36,900 $ 42,700
Changes in the carrying amount of goodwill    
Goodwill balance at the beginning of the period 255,563 211,847
Goodwill acquired 196 48,477
Goodwill adjustments due to currency translation (5,820) (4,761)
Goodwill balance at the end of the period $ 249,939 $ 255,563