Consolidated Statements Of Cash Flows - Supplemental Disclosures

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Information [Abstract]

Changes in the components of operating assets and liabilities are as follows (in thousands):



	Year Ended December 31,
	2013			2014			2015
Trade accounts receivable and other accounts receivable	$	(19,314	)	$	49,215		$	3,664
Inventory	34,664			29,462			26,894
Energy commodity derivatives contracts, net of derivatives deposits	534			(7,583		)	(606		)
Accounts payable	2,002			(10,918		)	4,107
Accrued payroll and benefits	9,809			6,055			3,466
Accrued interest payable	2,876			1,038			5,323
Accrued taxes other than income	5,485			9,094			3,699
Deferred revenue	16,793			7,978			10,485
Accrued product purchases	(9,016		)	(18,678		)	(13,016		)
Current and noncurrent environmental liabilities	(12,247		)	(2,144		)	(4,904		)
Other current and noncurrent assets and liabilities	(13,078		)	22,208			9,250
Total	$	18,508		$	85,727		$	48,362

Other current and noncurrent assets and liabilities above exclude certain non-cash items that were reflected in the consolidated balance sheets but were not reflected in the statement of cash flows. At December 31, 2013, 2014 and 2015, the long-term pension and benefits liability was increased (decreased) by $(14.1) million, $33.9 million and $4.7 million, respectively, resulting in a corresponding increase (decrease) in AOCL. Additionally, at December 31, 2014, associated with our interest rate hedges, other current liabilities were increased by $26.5 million resulting in a corresponding increase in accumulated other comprehensive loss. The impact of our interest rate hedges at December 31, 2015 was an increase to other current assets and other current liabilities of $2.2 million and $0.7 million, respectively.