STATEMENTS OF CASH FLOWS

Changes in current assets and current liabilities were as follows:



	Year Ended December 31,
	2017			2016			2015
	(Thousands of Dollars)
Decrease (increase) in current assets:
Accounts receivable	$	(865	)	$	(23,234	)	$	67,257
Receivable from related parties	112			(317		)	—
Inventories	11,936			940			16,776
Other current assets	3,393			8,128			4,414
Increase (decrease) in current liabilities:
Accounts payable	(30,409		)	14,071			(32,152		)
Payable to related party, net	—			894			(872		)
Accrued interest payable	6,489			(256		)	941
Accrued liabilities	(11,157		)	161			(7,834		)
Taxes other than income tax	(3,529		)	2,690			(1,522		)
Income tax payable	(2,463		)	639			3,551
Changes in current assets and current liabilities	$	(26,493	)	$	3,716		$	50,559

The above changes in current assets and current liabilities differ from changes between amounts reflected in the applicable consolidated balance sheets due to:


•	current assets and current liabilities acquired and disposed of during the period;


•	the change in the amount accrued for capital expenditures;


•	the effect of foreign currency translation;


•	reclassification of the Axeon Term Loan to other current assets from other long-term assets, net;


•	changes in the fair values of our interest rate swap agreements;


•	reclassification of our 7.65% senior notes due April 15, 2018 from long-term debt to current portion of long-term debt; and


•	non-cash related party transactions associated with the Employee Transfer (see Note 17 for further information).

Cash flows related to interest and income taxes were as follows:



	Year Ended December 31,
	2017		2016		2015
	(Thousands of Dollars)
Cash paid for interest, net of amount capitalized	$	158,089	$	142,663	$	133,388
Cash paid for income taxes, net of tax refunds received	$	11,338	$	11,847	$	9,971