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Supplemental Condensed Consolidating Financial Information (Narrative) (Details) | Dec. 31, 2011
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Condensed Financial Statements, Captions [Line Items] |
Ownership percentage in directly owned subsidiary | 100.00%
7% Senior Notes Due 2018 [Member] |
Condensed Financial Statements, Captions [Line Items] |
Ownership percentage in directly owned subsidiary | 100.00%

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- Details
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. + References No definition available. + Details
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