Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2017

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,
	2017			2016
	(Dollars in Thousands)
Other current and noncurrent assets	$	(29,342	)	$	(3,997	)
Accrued salaries, benefits and payroll taxes		(6,234	)		413
Accrued insurance and other taxes		10,230			5,041
Accrued income taxes		16,393			693
Accrued pension, postretirement and postemployment benefits		(5,807	)		(21,624	)
Other current and noncurrent liabilities		49,244			(1,437	)
	$	34,484		$	(20,911	)

Schedule Of Noncash Investing and Financing Activities

Noncash investing and financing activities are as follows:

	Nine-Months Ended
	September 30,
	2017		2016
	(Dollars in Thousands)
Noncash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	20,339	$	24,453
Acquisition of assets through capital lease	$	196	$	998
Settlement of royalty obligation via asset sale	$	900	$	—

Supplemental Disclosures of Cash Flow Information

11. Supplemental Cash Flow Information (continued)

Supplemental disclosures of cash flow information are as follows:

	Nine-Months Ended
	September 30,
	2017		2016
	(Dollars in Thousands)
Cash paid for interest	$	49,564	$	48,813
Cash paid for income taxes	$	96,643	$	81,589