LEASE COMMITMENTS

12 Months Ended

Dec. 31, 2015

We lease various plant equipment, office furniture and equipment, motor vehicles, office and warehouse space, and landfills under operating lease agreements, which expire at various dates over the next 20 years. The leases for most of the properties contain renewal provisions.

Rent expense for 2015, 2014 and 2013 was $139.0 million, $111.5 million, and $92.4 million, respectively.

Minimum future rental payments under non-cancelable operating leases that have initial or remaining terms in excess of one year at December 31, 2015 for each of the next five years and in the aggregate are as follows:



In thousands
2016	$	104,958
2017	89,284
2018	71,264
2019	52,923
2020	34,078
Thereafter	47,168
	$	399,675