SUPPLEMENTAL CASH FLOW INFORMATION

6 Months Ended

Jun. 30, 2021

Supplemental Cash Flow Information [Abstract]

Changes in current assets and current liabilities were as follows:


	Six Months Ended June 30,
	2021		2020
	(Thousands of Dollars)
Decrease (increase) in current assets:
Accounts receivable	$	(9,942)	$	25,386

Inventories	(1,744)		4,176

Other current assets	(4,752)		(8,781)
Increase (decrease) in current liabilities:
Accounts payable	3,588		(15,197)

Accrued interest payable	(11,686)		(177)
Accrued liabilities	(17,222)		(11,625)
Taxes other than income tax	(1,575)		44

Changes in current assets and current liabilities	$	(43,333)	$	(6,174)

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

•the change in the amount accrued for capital expenditures;

•the effect of foreign currency translation;

•payments for the termination of interest rate swaps included in cash flows from financing activities; and

•the effect of accrued compensation expense paid with fully vested common unit awards.

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


	Six Months Ended June 30,
	2021		2020
	(Thousands of Dollars)
Cash paid for interest, net of amount capitalized	$	114,339	$	103,034
Cash paid for income taxes, net of tax refunds received	$	5,882	$	4,661

As of June 30, 2021 and December 31, 2020, restricted cash, representing legally restricted funds that are unavailable for general use, is included in "Other long-term assets, net" on the consolidated balance sheets. “Cash, cash equivalents and restricted cash” on the consolidated statements of cash flows was included in the consolidated balance sheets as follows:


	June 30, 2021		December 31, 2020
	(Thousands of Dollars)
Cash and cash equivalents	$	23,500	$	153,625
Other long-term assets, net	8,802		8,801
Cash, cash equivalents and restricted cash	$	32,302	$	162,426