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PROPERTY PLANT AND EQUIPMENT (TABLES)
12 Months Ended
Dec. 31, 2014
PROPERTY PLANT AND EQUIPMENT [ABSTRACT]  
Schedule of Property, Plant and Equipment
  December 31,
  2014 2013
Land and buildings$ 38,833 $ 38,833
Computer equipment and software  334,127   297,567
Telephone equipment  38,925   39,238
Furniture and fixtures  57,411   50,638
Leasehold improvements  158,844   148,890
Motor vehicles  175   188
Construction-in-progress and other  36   145
 Property, plant and equipment, gross  628,351   575,499
Less: Accumulated depreciation and amortization  (478,139)   (448,780)
 Property, plant and equipment, net$ 150,212 $ 126,719