Financial Instruments (Tables)

3 Months Ended

Mar. 31, 2014

Investments, All Other Investments [Abstract]

Summary of Carrying Amounts and Estimated Fair Values of Other Financial Instruments

The following table summarizes the carrying amounts and estimated fair values of our other financial instruments at March 31, 2014:

	Carrying Amount		Fair Value
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	83,222	$	83,222
Liabilities:
Bank debt	$	1,059,809	$	1,059,809
5½% Senior Notes	300,000		309,939
5% Senior Notes	500,000		507,500
Interest rate swap agreements	5,492		5,492