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Variable Interest Entities VIEs (Tables)
6 Months Ended
Jun. 30, 2012
Variable Interest Entities VIEs  
Consolidated VIE assets and liabilities
  June 30, December 31,
 2012 2011
       
(Dollars in thousands)     
Assets     
 Cash and cash equivalents$7,933 $12,086
 Other current assets 156  47
 Licenses 486,136  483,059
 Property, plant and equipment, net 13,140  9,450
 Other assets and deferred charges 836  153
 Total assets$508,201 $504,795
       
Liabilities     
 Current liabilities$624 $957
 Deferred liabilities and credits 1,620  
 Total liabilities$2,244 $957