XML 31 R19.htm IDEA: XBRL DOCUMENT  v2.3.0.11
Goodwill (Tables)
6 Months Ended
Jun. 30, 2011
Goodwill  
Schedule of changes in carrying amount of goodwill

 

 

 

Communications
Segment

 

Coal
Mining
Segment

 

Total

 

 

 

 

 

 

 

 

 

Balance at December 31, 2010

 

$

1,427

 

$

 

$

1,427

 

Effect of foreign currency rate change

 

2

 

 

2

 

Balance at June 30, 2011

 

$

1,429

 

$

 

$

1,429