Consolidated Statement of Stockholders' Equity (Parenthetical) (Unaudited) (USD $) In Thousands	9 Months Ended
Sep. 30, 2011
Tax on interest rate swap adjustment	$ 5,717
Tax on unrealized loss on investments	13
Unrealized Gains (Losses) on Interest Rate Swaps
Tax on interest rate swap adjustment	5,717
Unrealized Gains (Losses) on Marketable Securities
Tax on unrealized loss on investments	$ 13

Total tax effect of the change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges that is attributable to the parent entity. The change includes an entity's share of an equity investee's increase (decrease) in deferred hedging gains or losses.

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-Name Accounting Research Bulletin (ARB)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 45

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-URI http://asc.fasb.org/extlink&oid=6921628&loc=SL4569643-111683

+ Details