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-Paragraph 205G
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph a
-Clause 1
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3/31/2011
USD ($)
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12/31/2010
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph a
-Clause 1
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3/31/2011
USD ($)
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12/31/2010
USD ($)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph a
-Clause 1
falsefalse1The fair value of derivatives is presented on a gross basis. Accordingly, the 2011 and 2010 total asset and liability fair values do not agree with the values provided in the Fair Value Measurements note because that disclosure reflects netting adjustments related to specific counterparties of $2.8 million and $0.3 million, respectively.233Fair Values of Derivative Instruments Included on the Consolidated Balance Sheet (Detail) (USD $)HundredThousandsUnKnownUnKnownUnKnownfalsetrue