SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

3 Months Ended

Mar. 31, 2018

SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]

Supplemental Information Referable to Condensed Consolidated Statements of Cash Flows

	Three Months Ended
	March 31
in thousands	2018	2017
Cash Payments (Refunds)
Interest (exclusive of amount capitalized)	$       15,829	$         2,498
Income taxes	(105,699)	1,562
Noncash Investing and Financing Activities
Accrued liabilities for purchases of property, plant & equipment	$       24,714	$       32,492
Accrued liabilities for common stock purchases	2,255	0
Amounts referable to business acquisitions
Liabilities assumed	2,796	0