OPERATING LEASES (Tables)

12 Months Ended

Dec. 31, 2012

Rental Expense from Continuing Operations under Nonmineral Operating Leases

Rental expense from continuing operations under nonmineral operating leases for the years ended December 31, exclusive of rental payments made under leases of one month or less, is summarized as follows:

in thousands	2012		2011		2010
Operating Leases
Minimum rentals		$36,951		$34,701		$33,573
Contingent rentals (based principally on usage)		32,705		29,882		27,418
Total		$69,656		$64,583		$60,991

Future Minimum Operating Lease Payments

Future minimum operating lease payments under all leases with initial or remaining noncancelable lease terms in excess of one year, exclusive of mineral leases, as of December 31, 2012 are payable as follows:

in thousands
Future Minimum Operating Lease Payments
2013	$26,735
2014	24,769
2015	21,069
2016	19,590
2017	17,725
Thereafter	137,978
Total	$247,866