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STOCKHOLDERS' EQUITY (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
 0 Months Ended 12 Months Ended 138 Months Ended
Dec. 26, 2012
Mar. 31, 2013
Mar. 31, 2013
STOCKHOLDERS' EQUITY [Abstract]      
Authorized number of shares under stock repurchase program (in shares)   500,000 500,000
Common stock repurchased during the period (in shares)   19,423,000 4,700,000
Average cost of share repurchased (in dollars per share)   $ 29.46 $ 13.94
Common stock repurchased during the period   $ 572 $ 65,300
Dividends payable date declared   Dec. 04, 2012  
Dividends payable date of record   Dec. 26, 2012  
Cash dividend to common share holders ( in dollars per shares) $ 2.50