Cash flow information (Tables)

6 Months Ended

Jun. 30, 2017

Supplemental Cash Flow Information [Abstract]

Supplemental cash flow information

Cash expenditures for interest and income taxes were as follows:

	Six Months Ended
	June 30,
	2017		2016
	(In thousands)
Interest, net of amount capitalized and AFUDC - borrowed of $418 and $548 in 2017 and 2016, respectively	$	39,207	$	44,860
Income taxes paid, net*	$	32,388	$	29,891

* Income taxes refunded, net of discontinued operations, were $(3.6) million and $(500,000) for the six months ended June 30, 2017 and 2016, respectively.

Noncash investing transactions were as follows:

	June 30,
	2017		2016
	(In thousands)
Property, plant and equipment additions in accounts payable	$	10,449	$	18,449