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Note 16 - Segment Information (Tables)
12 Months Ended
Dec. 31, 2013
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

Year Ended December 31, 2013

 

Truckload

   

Other

   

Unallocated Corporate Overhead

   

Consolidated

 

Revenue

  $ 644,403     $ 51,702     $ -     $ 690,327  

Intersegment revenue

    -       (5,778 )     -       (5,778 )

Operating income (loss)

    27,746       1,271       (8,623 )     20,394  

Depreciation and amortization

    42,848       72       775       43,694  

Total assets

    402,637       20,883       42,902       466,422  

Capital expenditures (proceeds), net (1)

    90,336       10       1,630       91,976  
                                 

Year Ended December 31, 2012

                               

Revenue

  $ 647,986     $ 33,250     $ -     $ 681,236  

Intersegment revenue

    -       (6,982 )     -       (6,982 )

Operating income (loss)

    34,185       (741 )     (10,235 )     23,209  

Depreciation and amortization

    42,015       26       1,181       43,222  

Total assets

    363,223       11,963       25,046       400,232  

Capital expenditures (proceeds), net (1)

    (16,677 )     -       939       (15,738 )
                                 

Year Ended December 31, 2011

                               

Revenue

  $ 625,252     $ 33,526     $ -     $ 658,778  

Intersegment revenue

    -       (6,151 )     -       (6,151 )

Operating income (loss)

    10,438       1,687       (13,186 )     (1,061 )

Depreciation and amortization

    44,825       24       1,425       46,274  

Total assets

    405,699       6,138       27,988       439,825  

Capital expenditures, net (1)

  $ 52,871     $ -     $ 1,531     $ 54,402