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USD ($)
USD ($) / shares
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USD ($)
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3/31/2011
USD ($)
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12/31/2010
USD ($)
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3/31/2011
EUR (€)
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3/31/2011
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3/31/2011
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1/1/2011 - 3/31/2011
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3/31/2011
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1/1/2011 - 3/31/2011
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3/31/2011
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3/31/2011
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3/31/2011
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3/31/2011
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 7
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 16
-Article 9
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 20, 22
-Article 5
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
-Article 5
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-Publisher FASB
-Name FASB Staff Position (FSP)
-Number APB14-1
-Paragraph 31
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 107
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 129
-Paragraph 2, 4
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 22
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-Name Statement of Financial Accounting Standard (FAS)
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