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ACCRUED EXPENSES
12 Months Ended
Dec. 31, 2013
Accrued Liabilities, Current [Abstract]  
ACCRUED EXPENSES
ACCRUED EXPENSES
 
 
December 31
 
2013

2012
 
(in thousands)






Accrued compensation
$
22,734

 
$
15,841

Accrued vacation pay
36,246

 
40,473

Taxes other than income
7,418

 
7,366

Workers’ compensation, third‑party casualty, and loss and damage claims reserves
92,166

 
86,969

Other
15,058

 
8,019

 
$
173,622

 
$
158,668