XML 52 R35.htm IDEA: XBRL DOCUMENT v3.3.1.900
LEASES (Tables)
12 Months Ended
Dec. 31, 2015
Leases [Abstract]  
Schedule of Future Minimum Rental Payments for Operating Leases
At December 31, 2015, the approximate future minimum lease payments for all operating leases were as follows (in thousands of dollars):
Year
 
Future Minimum Lease Payments
2016
 
$
66,864

2017
 
42,255

2018
 
27,801

2019
 
18,327

2020
 
6,143

Thereafter
 
13,328

Total minimum payments required
 
174,718

Less amounts representing sublease income
 
(3,021
)
 
 
$
171,697