Condensed Consolidating Financial Information (Narrative) (Details) - Senior notes - USD ($) |
Dec. 21, 2016 |
Oct. 31, 2016 |
Oct. 14, 2016 |
Apr. 21, 2015 |
Aug. 18, 2014 |
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| 7.75% Senior Notes due 2020 | |||||
| Condensed Financial Statements, Captions [Line Items] | |||||
| Debt instrument, amount | $ 600,000,000.0 | ||||
| Amount validly tendered | $ 600,000,000.0 | ||||
| 6.625% Senior Notes due 2023 | |||||
| Condensed Financial Statements, Captions [Line Items] | |||||
| Debt instrument, amount | $ 350,000,000.0 | ||||
| 6.000% Senior Notes due 2024 | |||||
| Condensed Financial Statements, Captions [Line Items] | |||||
| Debt instrument, amount | $ 650,000,000.0 | ||||
| 6.375% Senior Notes due 2025 | |||||
| Condensed Financial Statements, Captions [Line Items] | |||||
| Debt instrument, amount | $ 600,000,000.0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Face (par) amount of the original debt instrument that was repurchased. No definition available.
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