OPERATING LEASES

12 Months Ended

Dec. 31, 2018

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	2018	2017	2016
Operating Leases
Minimum rentals	$        76,443	$       59,536	$       52,713
Contingent rentals (based principally on usage)	54,572	50,822	57,278
Total	$      131,015	$     110,358	$     109,991

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, 2018 are payable as follows:

in thousands
Future Minimum Operating Lease Payments
2019	$        47,979
2020	43,540
2021	35,732
2022	27,463
2023	19,707
Thereafter	195,104
Total	$      369,525

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.