Condensed Consolidating Financial Information Provided In Connection With Outstanding Debt Of Subsidiaries (Narrative) (Details) (5.75% Senior Notes Due March 15, 2020 [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended |
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Mar. 31, 2010 | |
5.75% Senior Notes Due March 15, 2020 [Member] | |
| 5.75% Senior notes issued | $ 250.0 |
| Senior notes interest rate | 5.75% |
| Senior notes maturity date | March 15, 2020 |
| Senior notes issuance date | March 17, 2010 |
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- Definition Interest rate stated in the contractual debt agreement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Date when the debt instrument was issued, which may be presented in a variety of ways (year, month and year, day, month and year, quarter, etc.). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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