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FAIR VALUE MEASUREMENTS (Tables)
3 Months Ended
Mar. 31, 2014
Fair Value Disclosures [Abstract]  
Estimated fair values of Company's debt
The estimated fair values of the Company’s debt with fixed interest rates are as follows:
 
Carrying Value
 
Fair Value
 
(In thousands)
December 31, 2013
$
328,473

 
$
364,329

March 31, 2014
$
777,670

 
$
823,603