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Lease Obligations
12 Months Ended
Dec. 31, 2013
Lease Obligations [Abstract]  
Lease obligations [Text Block]
LEASE OBLIGATIONS
We have operating leases for various vehicles and equipment, as well as for certain of our manufacturing and administrative facilities that extend through 2033. The facilities lease agreements generally provide for payment of base rental amounts plus our share of property taxes and common area costs as well as renewal options at current market rates.
Rent expense is recognized on a straight-line basis over the term of the lease. Rent expense was $7.4 million in 2013, $8.5 million in 2012 and $7.5 million in 2011.
The approximate future minimum rental payments due under these agreements as of December 31, 2013, were as follows (in thousands):
 
Minimum Rental Payment

2014
$
10,997

2015
8,171

2016
6,883

2017
5,803

2018
4,811

Thereafter
48,722

Total
$
85,387