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EQUITY (Tables) | 6 Months Ended
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Jun. 30, 2013
Stockholders' Equity Note [Abstract] |
Schedule of changes in equity | Changes in equity for the six months ended June 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) | 139,412 |  |  | (42 | ) |  | 139,370 |
Other comprehensive loss | (24,387 | ) |  | (49 | ) |  | (24,436 | )
Total comprehensive income (loss) | 115,025 |  |  | (91 | ) |  | 114,934 |
Cash dividends declared - $0.40 per share | (33,030 | ) |  | — |  |  | (33,030 | )
Issuance of shares under benefit plans | 23,907 |  |  | — |  |  | 23,907 |
Purchase of shares for treasury | (69,677 | ) |  | — |  |  | (69,677 | )
Balance, June 30, 2013 | $ | 1,378,598 |  |  | $ | 15,857 |  |  | $ | 1,394,455 |
Changes in equity for the six months ended June 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) | 130,562 |  |  | (48 | ) |  | 130,514 |
Other comprehensive income (loss) | 4,206 |  |  | (520 | ) |  | 3,686 |
Total comprehensive income (loss) | 134,768 |  |  | (568 | ) |  | 134,200 |
Cash dividends declared - $0.34 per share | (28,429 | ) |  | — |  |  | (28,429 | )
Issuance of shares under benefit plans | 22,133 |  |  | — |  |  | 22,133 |
Purchase of shares for treasury | (40,138 | ) |  | — |  |  | (40,138 | )
Balance, June 30, 2012 | $ | 1,265,280 |  |  | $ | 15,728 |  |  | $ | 1,281,008 |

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 + Details
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