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Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) (Parenthetical) (USD $) In Thousands, except Per Share data	6 Months Ended
	Jun. 30, 2011
Condensed Consolidated Statements of Changes in Stockholders' Equity
Currency translation adjustments, tax	$ 1,627
Dividends declared per common share	$ 0.220

X

- 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

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X

- Definition

Tax effect of the adjustment that results from the process of translating subsidiary financial statements and foreign equity investments into functional currency of the reporting entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Accounting Research Bulletin (ARB)
-Number 51
-Paragraph 38
-Subparagraph c(3)

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 130
-Paragraph 25

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