PROPERTY, PLANT & EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2013

PROPERTY, PLANT & EQUIPMENT [Abstract]

Property Plant and Equipment

in thousands	2013	2012
Property, Plant & Equipment
Land and land improvements	$    2,295,087	$  2,120,999
Buildings	149,982	149,575
Machinery and equipment	4,248,100	4,195,165
Leaseholds	11,692	10,546
Deferred asset retirement costs	151,973	129,397
Construction in progress	76,768	60,935
Total, gross	$    6,933,602	$  6,666,617
Less allowances for depreciation, depletion
and amortization	3,621,585	3,507,432
Total, net	$    3,312,017	$  3,159,185

Capitalized interest costs and total interest costs incurred

in thousands	2013	2012	2011
Capitalized interest cost	$          1,089	$        2,716	$        2,675
Total interest cost incurred before recognition
of the capitalized amount	203,677	215,783	223,303