Supplemental Cash Flow Information (Tables)

12 Months Ended

Dec. 31, 2017

The following provides additional information relating to cash flow activities:

	2017			2016			2015
	(In Thousands)
Cash payments (refunds) for:
Interest on long-term debt and other, net of capitalized interest	$	34,274		$	28,049		$	5,389
Income taxes, net	$	(674	)	$	(2,611	)	$	(5,845	)

Noncash investing and financing activities:
Incentive tax credit receivable associated with property, plant and equipment	$	8,125		$	—		$	—
Accounts receivable, accounts payable, other liabilities, and long-term debt associated with additions of property, plant and equipment	$	17,105		$	16,056		$	65,471
Accounts payable, long-term debt associated with additions of capitalized internal-use software and software development	$	—		$	759		$	2,242
Dividend accrued on redeemable preferred stock	$	23,443		$	19,733		$	2,287
Accretion of redeemable preferred stock	$	6,487		$	6,546		$	686
Equity issuance costs, including amounts in accounts payable	$	—		$	—		$	9,754
Debt issuance costs incurred associated with senior secured notes, including amounts in accounts payable	$	—		$	—		$	2,566