OPERATING LEASES

12 Months Ended

Dec. 31, 2017

OPERATING LEASES [Abstract]

OPERATING LEASES

NOTE 7: 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	2017	2016	2015
Operating Leases
Minimum rentals	$        59,536	$       52,713	$       49,461
Contingent rentals (based principally on usage)	50,822	57,278	60,380
Total	$      110,358	$     109,991	$     109,841

Future minimum operating lease payments under all leases with initial or remaining noncancelable lease terms in excess of one year, exclusive of mineral leases (see Note 12), as of December 31, 2017 are payable as follows:

in thousands
Future Minimum Operating Lease Payments
2018	$        36,358
2019	33,986
2020	30,888
2021	27,331
2022	20,880
Thereafter	106,351
Total	$      255,794

Lease agreements frequently include renewal options and require that we pay for utilities, taxes, insurance and maintenance expense. Options to purchase are also included in some lease agreements.