Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2018

Supplemental Cash Flow Elements [Abstract]

Summary of cash paid for interest and income taxes

	Year Ended December 31,
(In thousands)	2018		2017		2016
Cash paid for interest and income taxes
Interest	$	80,069	$	79,846	$	86,723
Income taxes	4,635		40,626		688