Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Tables)

v2.4.0.6
Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2012
Accounting Policies [Abstract]  
Estimated Useful Lives Of Property And Equipment
Depreciation of property and equipment is calculated using the straight-line method over the estimated useful lives of the related assets. The following table provides the estimated useful lives by asset type: 
Structures
  
7 to 30 years
Revenue equipment
  
4 to 15 years
Other equipment
  
2 to 20 years
Leasehold improvements
  
Lesser of economic life or life of lease
Expected Amortization Expenses For Intangible Assets
Annual amortization expense for the next five years for these intangible assets is estimated to be: 
(In thousands)
 
2013
$
712

2014
$
695

2015
$
495

2016
$
315

2017
$
210