Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies (Tables)

v3.10.0.1
Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Disaggregated Revenue

We have one operating segment and no single customer exceeds 5% of our revenue. The composition of our revenue is summarized below:

 

 

 

Year Ended December 31,

 

(In thousands)

 

2018

 

 

2017

 

 

2016

 

LTL services

 

$

3,982,658

 

 

$

3,303,611

 

 

$

2,939,572

 

Other services

 

 

61,037

 

 

 

54,501

 

 

 

51,945

 

Total revenue

 

$

4,043,695

 

 

$

3,358,112

 

 

$

2,991,517

 

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