| 
           INTANGIBLE ASSETS AND GOODWILL (Schedule of Goodwill) (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        
           Jun. 30, 2014 
         | 
        
           Mar. 31, 2014 
         | 
      
|---|---|---|
| INTANGIBLE ASSETS AND GOODWILL [Abstract] | ||
| Balance, Goodwill | $ 394,613 | $ 394,613 | 
| Balance, Accumulated Impairment Losses | (339,000) | (339,000) | 
| Balance, Net Amount | $ 55,613 | $ 55,613 | 
| X | ||||||||||
| 
             
- Definition 
          Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  |