Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2016

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 September 30, 2016:

	Carrying Amount		Fair Value
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	93,561	$	93,561
Liabilities:
Bank debt	$	1,028,674	$	1,028,674
5½% Senior Notes	300,000		311,250
5% Senior Notes	500,000		510,430
Interest rate swap agreements	459		459