Supplemental Cash Flow Information

12 Months Ended

Dec. 31, 2017

Supplemental Cash Flow Elements [Abstract]

Supplemental Cash Flow Information

Supplemental Cash Flow Information

Supplemental cash flow information is as follows:

	Years Ended December 31,
	2017			2016			2015
				(In thousands)
Income tax refunds received	$	5,031		$	3,838		$	4,068
Income taxes paid	(35,893		)	(26,587		)	(24,960		)
Interest paid, net of amount capitalized	(79,047		)	(87,076		)	(91,496		)