Operating Lease Obligations

12 Months Ended

Dec. 31, 2015

Leases, Operating [Abstract]

Operating Lease Obligations [Text Block]

Operating Lease Obligations

We lease facilities under noncancelable operating leases, which are used for district office and warehouse operations. These leases extend for varying periods of time up to five years and, in some cases, contain renewal options. Minimum rental commitments under noncancelable operating leases, as of December 31, 2015, were as follows:

Minimum lease obligations	Operating Lease Obligations
Year ending December 31, 2016	$	6,266
2017	4,302
2018	3,348
2019	2,463
2020	1,980
2021 and after	7,548
Total minimum lease payments	$	25,907

Total rent expense under all operating leases was $7,398 in 2015, $6,554 in 2014 and $6,167 in 2013.