Note 9. Commitments

The Company leases certain transportation vehicles, warehouse facilities, office space and machinery and equipment under cancelable and non-cancelable leases, most of which expire within 10 years and may be renewed by the Company. Rent expense under such arrangements totaled $3,403, $3,726 and $4,082 for the years ended September 30, 2015, 2016 and 2017, respectively. Rent expense does not include income from sub-lease rentals totaling $105, $120 and $153 for the years ended September 30, 2015, 2016 and 2017, respectively. Future minimum rental commitments under non-cancelable operating leases at September 30, 2017, are as follows:


	Operating
2018	$	2,978
2019		1,859
2020		1,243
2021		232
2022		100
2023 and thereafter		—
	$	6,412

Future minimum rental commitments under non-cancelable operating leases have not been reduced by minimum sub-lease rentals of $79 due in the future.