SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

12 Months Ended

Dec. 31, 2019

SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]

Supplemental Information Referable to Condensed Consolidated Statements of Cash Flows

in thousands	2019	2018	2017
Cash Payments (Refunds)
Interest (exclusive of amount capitalized)	$      129,224	$      128,217	$     285,801
Income taxes	56,812	(65,968)	125,135
Noncash Investing and Financing Activities
Accrued liabilities for purchases of property,
plant & equipment	$        57,309	$        37,116	$       31,267
Recognition of new asset retirement obligations	263	20	1,920
Right-of-use assets obtained in exchange for new
operating lease liabilities 1	444,547	0	0
Amounts referable to business acquisitions
Liabilities assumed	4,373	5,405	3,876
Consideration payable to seller	0	4,500	9,681
Fair value of noncash assets and liabilities exchanged	0	0	9,900

¹ The 2019 amount includes the initial right-of-use assets resulting from our adoption of ASU 2016-02, “Leases,” as described in Note 1 under the captions Leases and New Accounting Standards.