SUPPLEMENTAL CASH FLOW INFORMATION (Tables)

9 Months Ended

Sep. 30, 2013

SUPPLEMENTAL CASH FLOW INFORMATION [Abstract]

Supplemental Information Referable to Consolidated Statements of Cash Flows

	Nine Months Ended
		September 30
in thousands	2013	2012
Cash Payments
Interest (exclusive of amount capitalized)	$     102,137	$     104,440
Income taxes	29,909	19,219
Noncash Investing and Financing Activities
Amounts referable to business acquisition (Note 16)
Liabilities assumed	$            232	$                0
Accrued liabilities for purchases of property, plant
& equipment	9,197	4,316