v2.4.0.8
COMMITMENTS AND CONTINGENCIES (Tables)
12 Months Ended
Dec. 31, 2013
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Future Minimum Payments for Operating Leases and Purchase Obligations [Table Text Block]
Future minimum rental payments applicable to all noncancellable operating leases and purchase obligations as of December 31, 2013 are as follows:
 
Payments Due by Period
 
2014
 
2015
 
2016
 
2017
 
2018
 
There-
after
 
Total
 
(Thousands of Dollars)
Operating leases
$
30,300

 
$
24,886

 
$
21,274

 
$
18,954

 
$
16,980

 
$
80,090

 
$
192,484

Purchase obligations:
8,571

 
5,108

 
3,841

 
694

 
216

 

 
18,430