Condensed Consolidating Financial Information - Additional Information (Details) - Senior notes - USD ($) |
Oct. 11, 2017 |
Dec. 21, 2016 |
Oct. 14, 2016 |
Apr. 21, 2015 |
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| 6.625% Senior Notes Due 2023 | ||||
| Condensed Financial Statements, Captions [Line Items] | ||||
| Debt instrument, face amount | $ 350,000,000.0 | |||
| 6.000% Senior Notes Due 2024 | ||||
| Condensed Financial Statements, Captions [Line Items] | ||||
| Debt instrument, face amount | $ 650,000,000.0 | |||
| 6.375% Senior Notes Due 2025 | ||||
| Condensed Financial Statements, Captions [Line Items] | ||||
| Debt instrument, face amount | $ 600,000,000 | |||
| 6.375% Senior Notes Due 2026 | ||||
| Condensed Financial Statements, Captions [Line Items] | ||||
| Debt instrument, face amount | $ 450,000,000 |
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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://fasb.org/us-gaap/role/ref/legacyRef
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