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CONSOLIDATED STATEMENTS OF EQUITY (Parenthetical) (USD $)	1 Months Ended		12 Months Ended
	Feb. 29, 2012	Feb. 28, 2011	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
CONSOLIDATED STATEMENTS OF EQUITY
Cash dividends per share (in dollars per share)	$ 0.15	$ 0.12	$ 0.48	$ 0.40	$ 0.40

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- Definition

Aggregate dividends declared 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=6959260&loc=d3e187085-122770

+ Details

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- Details

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