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Accounting Policies (Tables)
 6 Months Ended
Jun. 30, 2014
Accounting Policies [Abstract]  
Activity and balances related to incurred but not paid workers' compensation claims
The following table provides the activity and balances related to incurred but not paid workers’ compensation claims:

 
 
Six Months Ended 
 June 30,
 
 
2014
 
2013
 
 
(in thousands)
 
 
 
 
 
Beginning balance, January 1,
 
$
120,833

 
$
111,685

Accrued claims
 
25,041

 
19,194

Present value discount
 
(898
)
 
(345
)
Paid claims
 
(18,572
)
 
(16,199
)
Ending balance
 
$
126,404

 
$
114,335

 
 
 
 
 
Current portion of accrued claims
 
$
53,441

 
$
47,467

Long-term portion of accrued claims
 
72,963

 
66,868

 
 
$
126,404

 
$
114,335