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GOODWILL (Tables)
6 Months Ended
Jun. 30, 2017
Goodwill [Line Items]  
Schedule of Goodwill [Table Text Block]
 
Six Months Ended
 
June 30,
2017
 
June 30,
2016
 
(In thousands)
Beginning balance January 1
$
1,720,714

 
$
1,681,662

Foreign currency exchange rate changes
20,826

 
40,062

Adjustments to goodwill for acquisitions (1)

 
18,432

Ending balance June 30
$
1,741,540

 
$
1,740,156