Disclosure of Fair Value of Financial Instruments Disclosure of Fair Value of Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2012

Disclosure of Fair Value of Financial Instruments [Abstract]

Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]



	Carrying Value			Fair Value			Fair Value Above (Below) Carrying Value
Long-term debt at December 31, 2011 ⁽¹⁾	$	2,083,462		$	2,215,219		$	131,757

Payoffs and amortization of long-term debt	(19,289		)	(19,289		)
New long-term debt	11,186			11,186
Changes in fair value assumptions				20,377			20,377

Long-term debt at March 31, 2012 ⁽¹⁾	$	2,075,359		$	2,227,493		$	152,134

- Definition

Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issuances, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability.

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