Supplemental Statements of Cash Flows Disclosures (Tables)

12 Months Ended

Dec. 31, 2019

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures

	Years Ended December 31,
	2019			2018		2017
	(In thousands)
Cash paid (refunded) for:
Interest on long-term debt and borrowing under the revolving credit facility	$	70,997		$	70,016	$	70,523
Income tax paid (refunded), net	(1,451		)	3,546		2,055
Non-cash investing and financing activities:
Changes in accrued plant additions	2,912			1,075		(5,090		)
Grants of restricted shares of common stock	1,393			1,039		1,171
Issuance of performance shares	2,520			1,499		932
Non-cash operating activities:
Operating lease liabilities arising from obtaining ROU assets	5,550			—		—