Note 12. Leases

The company has operating leases relating principally to transportation and other equipment and real estate. Certain leases include escalation clauses and/or purchase options. The company paid $18.9 million for operating leases for the years ended December 31, 2017, and $15.1 million for the years ended December 31, 2016 and 2015, respectively. At December 31, 2017, future minimum payments for all non-cancelable operating leases with an initial or remaining term of one year or more are as follows (in thousands):



2018	$	16,036
2019		12,609
2020		9,496
2021		5,868
2022		4,051
Thereafter		5,754
	$	53,814