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Series A Notes, Net Of Current Maturities (Schedule Of Future Principal Payments For The Series A Notes) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011
Debt Instrument [Line Items]
2012 (current maturities)	$ 98,015
2013	199,561
2014	92,871
2015	9,481
2016	229
2017 and after	113
Series A [Member]
Debt Instrument [Line Items]
2012 (current maturities)	29,612
2013	29,612
2014	29,612
2015	29,612
2016	29,612
2017 and after	$ 111,034

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Amount of long-term debt maturities after year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing within the next twelve months following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates.

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Amount of long-term debt maturing in year five following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year four following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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Amount of long-term debt maturing in year three following the date of the latest balance sheet presented in the financial statements, which may include maturities of long-term debt, sinking fund requirements, and other securities redeemable at fixed of determinable prices and dates.

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-Publisher FASB

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-Number 47

-Paragraph 10

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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