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EQUITY
 9 Months Ended
Sep. 30, 2013
Stockholders' Equity Note [Abstract]  
EQUITY
EQUITY
Changes in equity for the nine months ended September 30, 2013 are as follows:
 
Shareholders’
Equity
 
Non-controlling
Interests
 
Total Equity
Balance, December 31, 2012
$
1,342,373

 
$
15,948

 
$
1,358,321

Comprehensive income (loss):
 

 
 

 
 

Net income (loss)
205,456

 
(1,834
)
 
203,622

Other comprehensive income (loss)
(1,030
)
 
65

 
(965
)
Total comprehensive income (loss)
204,426

 
(1,769
)
 
202,657

 
 
 
 
 
 
Cash dividends declared - $0.60 per share
(49,353
)
 
—

 
(49,353
)
Issuance of shares under benefit plans
30,835

 
—

 
30,835

Purchase of shares for treasury
(113,641
)
 
—

 
(113,641
)
Balance, September 30, 2013
$
1,414,640

 
$
14,179

 
$
1,428,819

Changes in equity for the nine months ended September 30, 2012 are as follows:
 
Shareholders’
Equity
 
Non-controlling
Interests
 
Total Equity
Balance, December 31, 2011
$
1,176,946

 
$
16,296

 
$
1,193,242

Comprehensive income (loss):
 

 
 

 
 

Net income (loss)
195,327

 
(77
)
 
195,250

Other comprehensive income (loss)
25,715

 
(312
)
 
25,403

Total comprehensive income (loss)
221,042

 
(389
)
 
220,653

 
 
 
 
 
 
Cash dividends declared - $0.51 per share
(42,551
)
 
—

 
(42,551
)
Issuance of shares under benefit plans
25,002

 
—

 
25,002

Purchase of shares for treasury
(60,155
)
 
—

 
(60,155
)
Balance, September 30, 2012
$
1,320,284

 
$
15,907

 
$
1,336,191