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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Dividends paid as cash dividend (in dollars per share)	$ 0.46us-gaap_CommonStockDividendsPerShareCashPaid	$ 0.68us-gaap_CommonStockDividendsPerShareCashPaid	$ 4.06us-gaap_CommonStockDividendsPerShareCashPaid
CAPITAL STOCK:
Dividends paid as cash dividend (in dollars per share)	$ 0.46us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	$ 0.68us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember	$ 3.71us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember
TREASURY STOCK:
Dividends paid as cash dividend (in dollars per share)			$ 0.35us-gaap_CommonStockDividendsPerShareCashPaid / us-gaap_StatementEquityComponentsAxis = us-gaap_TreasuryStockMember

X

- Definition

Aggregate dividends paid during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher SEC



-Name Regulation S-X (SX)



-Number 210



-Section 04



-Article 3







Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 505



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.3-04)



-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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