XML 49 R31.htm IDEA: XBRL DOCUMENT v3.8.0.1
RESTRUCTURING RELATED EXPENSES (Tables)
 12 Months Ended
Dec. 31, 2017
Restructuring and Related Activities [Abstract]  
Schedule of restructuring activities
The following table summarizes the 2015, 2016, and 2017 restructuring activity:
 
 
Total
Liability balance at December 31, 2014
 
$
—

Increase in liability
 
3,306

Reduction in liability (payments)
 
(2,462
)
Liability balance at December 31, 2015
 
$
844

Increase in liability
 
200

Reduction in liability (payments)
 
(995
)
Liability balance at December 31, 2016
 
$
49

Increase in liability
 
1,483

Reduction in liability (payments)
 
(782
)
Liability balance at December 31, 2017
 
$
750