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Supplemental Guarantor Condensed Consolidating Financial Statements Guarantor (Narrative) (Details) | Dec. 31, 2015
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Debt Instrument [Line Items] |
Ownership in Subsidiary, Percentage | 100.00%
7.75% Notes [Member] | Unsecured Debt [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage | 7.75%
6.625% Notes [Member] | Unsecured Debt [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage | 6.625%
6.25% Notes [Member] | Unsecured Debt [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage | 6.25%
5.125% Notes [Member] | Unsecured Debt [Member] |
Debt Instrument [Line Items] |
Debt Instrument, Interest Rate, Stated Percentage | 5.125%

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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