STOCKHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2012

STOCKHOLDERS' EQUITY

Schedule of outstanding share capital

Type	2010		2011		2012
Common stock outstanding		156,955,746		157,320,070		158,160,719

Schedule of dividends declared and paid

Declaration date	Per Share Dividend		Aggregate Dividend		Record Date		Payment Date
February 24, 2012	$	0.13	$	20,561		March 15, 2012		March 30, 2012
April 27, 2012	$	0.13	$	20,561		June 1, 2012		June 27 - 28, 2012
July 31, 2012	$	0.13	$	20,561		September 1, 2012		September 27, 2012
November 1, 2012	$	0.13	$	20,561		December 1, 2012		December 27, 2012