Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

		Level within the Fair Value Hierarchy	December 31, 2014				December 31, 2013
		Level within the Fair Value Hierarchy	Book Value		Fair Value		Book Value		Fair Value
(Dollars in thousands)
Cash and cash equivalents		1	$	471,901	$	471,901	$	830,014	$	830,014
Short-term investments
	U.S. Treasury Notes	1		-		-		50,104		50,104
Long-term debt
	Retail	2		1,453,250		1,414,105		1,178,250		1,048,010
	Institutional and other	2		537,471		518,322		537,454		512,635

- Definition

Tabular disclosure of financial instruments measured at fair value, including those classified in shareholders' equity measured on a recurring or nonrecurring basis. Disclosures include, but are not limited to, fair value measurements recorded and the reasons for the measurements, level within the fair value hierarchy in which the fair value measurements are categorized and transfers between levels 1 and 2. Nonrecurring fair value measurements are those that are required or permitted in the statement of financial position in particular circumstances.

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