Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2018

Supplemental Cash Flow Elements [Abstract]

Components of Change in Other Assets and Liabilities, Net

The components of the change in other assets and liabilities, net, are as follows:

	Nine-Months Ended
	September 30,
	2018			2017
	(Dollars in Thousands)
Other current and noncurrent assets	$	(32,572	)	$	(29,342	)
Accrued salaries, benefits and payroll taxes		5,986			(6,234	)
Accrued insurance and other taxes		4,555			10,230
Accrued income taxes		6,220			16,393
Accrued pension, postretirement and postemployment benefits		(131,963	)		(5,807	)
Other current and noncurrent liabilities		2,769			49,244
	$	(145,005	)	$	34,484

Schedule Of Other Significant Noncash Transactions

Noncash investing and financing activities are as follows:

	Nine-Months Ended
	September 30,
	2018		2017
	(Dollars in Thousands)
Noncash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	24,930	$	20,339
Acquisition of assets through capital lease	$	449	$	196
Settlement of royalty obligation via asset sale	$	—	$	900

Supplemental Disclosures of Cash Flow Information

Supplemental disclosures of cash flow information are as follows:

	Nine-Months Ended
	September 30,
	2018		2017
	(Dollars in Thousands)
Cash paid for interest	$	84,522	$	49,564
Cash paid for income taxes	$	7,253	$	96,643