Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2020

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, 2020:

	Carrying Amount		Fair Value
	(Dollars in thousands)
Assets:
Cash and cash equivalents	$	193,759	$	193,759
Liabilities:
Bank debt	$	1,185,825	$	1,185,825
4¾% Senior Notes	300,000		305,250
3¼% Senior Notes	762,223		772,589
4⅛% Senior Notes	599,062		613,500
2¼% Senior Notes	586,325		573,133
Derivative instruments (accrued and other liabilities)	6,588		6,588