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GOODWILL (Tables)
 6 Months Ended
Jun. 30, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following summarizes the changes in the carrying amount of goodwill:
(in thousands)
Power
 
Renewable
 
Industrial(1)
 
Total
Balance at December 31, 2017 (2)
$
47,370

 
$
—

 
$
38,308

 
$
85,678

Currency translation adjustments
(191
)
 
—

 
(768
)
 
(959
)
Second quarter 2018 impairment charges
—

 
—

 
(37,540
)
 
(37,540
)
Balance at June 30, 2018 (2)
$
47,179

 
$
—

 
$
—

 
$
47,179

(1) Goodwill for MEGTEC and Universal are shown as part of noncurrent assets of discontinued operations. See Note 3 for a further description of discontinued operations.
(2) Accumulated goodwill impairments were $50.0 million for the Renewable segment as of December 31, 2017 and $74.4 million and $36.9 for the Industrial segment as of June 30, 2018 and December 31, 2017, respectively.