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Note 17 - Business Segments
 12 Months Ended
Dec. 31, 2015
Notes to Financial Statements  
Segment Reporting Disclosure [Text Block]
1
7.
Business Segments
 
Beginning with fiscal 2014, we have aggregated our six current operating segments into four reporting segments (Truckload, Dedicated, Intermodal and Brokerage) for financial reporting purposes, compared with two reporting segments previously. We believe reporting our results in this manner will provide better visibility and understanding into our business and better reflect our operational structure. Information for prior periods has been shown in the same four segments for comparison purposes.
 
The primary source of our operating revenue is provided by our Truckload segment through a combination of regional short-haul and medium-to-long-haul full-load transportation services. We transport food and other consumer packaged goods that require a temperature-controlled or insulated environment across the United States and into and out of Mexico and Canada.
 
Our Dedicated segment provides customized transportation solutions tailored to meet individual customers’ requirements, utilizing temperature-controlled trailers, dry vans and other specialized equipment within the United States. Our customer contracts range from three to five years and are subject to annual rate reviews.
 
Our Intermodal segment transports our customers’ freight within the United States primarily utilizing our temperature-controlled trailers and also, through March 2015, our dry containers on railroad flatcars for portions of trips, with the balance of the trips using our tractors or, to a lesser extent, contracted carriers.
 
Our Brokerage segment arranges for smaller third-party carriers to transport freight for our customers in temperature-controlled trailers and dry vans within the United States and into and out of Mexico while we retain the billing, collection and customer management responsibilities. Our Brokerage segment also included the revenue of MWL, a third-party provider of logistics services to the transportation industry, until we deconsolidated our 45% interest in MWL effective March 28, 2013.
 
The following table sets forth for the years indicated our operating revenue and operating income by segment. We do not prepare separate balance sheets by segment and, as a result, assets are not separately identifiable by segment.
 
(
Dollars in thousands
)
 
201
5
 
  
2014
    
2013
  
Operating revenue:
                        
Truckload revenue, net of fuel surcharge revenue
 
$
348,101
 
   $ 358,458     $ 366,798  
Truckload fuel surcharge revenue
 
 
50,260
 
     89,815       98,161  
Total Truckload revenue
 
 
398,361
 
     448,273       464,959  
                         
Dedicated revenue, net of fuel surcharge revenue
 
 
107,264
 
     56,609       33,526  
Dedicated fuel surcharge revenue
 
 
11,008
 
     13,743       8,794  
Total Dedicated revenue
 
 
118,272
 
     70,352       42,320  
                         
Intermodal revenue, net of fuel surcharge revenue
 
 
65,877
 
     75,447       71,764  
Intermodal fuel surcharge revenue
 
 
11,081
 
     21,645       20,749  
Total Intermodal revenue
 
 
76,958
 
     97,092       92,513  
                         
Brokerage revenue:
                        
Marten Transport
 
 
71,403
 
     57,212       52,746  
MWL
(1)
 
 
-
 
     -       6,676  
Total Brokerage revenue
 
 
71,403
 
     57,212       59,422  
                         
Total operating revenue
 
$
664,994
 
   $ 672,929     $ 659,214  
                         
Operating income:
                        
Truckload
 
$
35,517
 
   $ 39,483     $ 39,290  
Dedicated
 
 
12,818
 
     7,136       5,575  
Intermodal
 
 
4,832
 
     1,735       4,014  
Brokerage
 
 
3,792
 
     2,652       3,116  
Total operating income before gain on
disposition of facilities
 
 
56,959
 
     51,006       51,995  
Gain on disposition of facilities
 
 
4,104
 
     -       -  
Total operating income
 
$
61,063
 
   $ 51,006     $ 51,995  
 
(1)
Brokerage revenue is net of $2.1 million of inter-segment revenue in 2013 for loads transported by our tractors and arranged by MWL that have been eliminated in consolidation. The inter-segment revenue in 2013 relates to loads transported prior to the deconsolidation of MWL effective March 28, 2013.
 
Truckload segment depreciation expense was $53.7 million, $53.0 million and $54.6 million, Dedicated segment depreciation expense was $15.0 million, $8.2 million and $4.7 million, Intermodal segment depreciation expense was $5.4 million, $6.0 million and $4.3 million, and Brokerage segment depreciation expense was $1.3 million, $993,000 and $845,000, in 2015, 2014 and 2013, respectively.