Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 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:

	Six-Months Ended
	June 30,
	2018			2017
	(Dollars in Thousands)
Other current and noncurrent assets	$	(18,777	)	$	(32,332	)
Accrued salaries, benefits and payroll taxes		1,661			(7,892	)
Accrued insurance and other taxes		(3,344	)		(134	)
Accrued income taxes		39,122			28,047
Accrued pension, postretirement and postemployment benefits		10,685			11,521
Other current and noncurrent liabilities		(23,732	)		30,740
	$	5,615		$	29,950

Schedule Of Other Significant Noncash Transactions

Noncash investing and financing activities are as follows:

	Six-Months Ended
	June 30,
	2018		2017
	(Dollars in Thousands)
Noncash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	20,771	$	34,714
Acquisition of assets through capital lease	$	449	$	149

Supplemental Disclosures of Cash Flow Information

Supplemental disclosures of cash flow information are as follows:

	Six-Months Ended
	June 30,
	2018			2017
	(Dollars in Thousands)
Cash paid for interest	$	67,399		$	38,111
Cash (refund of) paid for income taxes	$	(2,244	)	$	33,264