Supplemental Cash Flow Information

6 Months Ended

Jun. 30, 2019

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

12. Supplemental Cash Flow Information

Noncash investing and financing activities are as follows:

	June 30,
	2019		2018
	(Dollars in Thousands)
Noncash investing and financing activities:
Accrued liabilities for purchases of property, plant and equipment	$	18,745	$	20,771
Acquisition of assets through swap	$	1,114	$	—
Receivable issued in connection with sale of property, plant    and equipment	$	252	$	—
Acquisition of assets through capital lease	$	—	$	449

Supplemental disclosures of cash flow information are as follows:

	June 30,
	2019		2018
	(Dollars in Thousands)
Cash paid for interest	$	65,923	$	67,399
Cash paid for (refund of) income taxes	$	8,009	$	(2,244	)