v2.4.0.6

Commitments and Contingencies (Gain Contingency) (Details) (State of Nevada Department of Taxation, Reduction in State Use Taxes, USD $) In Millions, unless otherwise specified | Dec. 31, 2008
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Minimum |
Gain Contingencies [Line Items] |
Estimated refund claimed | $ 17.9
Maximum |
Gain Contingencies [Line Items] |
Estimated refund claimed | $ 21.4

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- Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Definition The amount or range of possible amounts of gain that could be realized upon the resolution of a contingency. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6397426&loc=d3e17499-108355 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
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