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Supplemental Cash Flow Information (Tables)
 3 Months Ended
Mar. 31, 2014
Supplemental Cash Flow Elements [Abstract]  
Change in certain working capital accounts
The following table presents additional information about the change in certain working capital accounts:
 
 
Three Months Ended 
 March 31,
(in thousands)
 
2014
 
2013
 
 
 
 
 
Other changes in certain working capital accounts, net
 
 
 
 
Accounts and notes receivable
 
$
15,433

 
$
1,294

Income taxes receivable/payable, net
 
(295
)
 
(3,526
)
Accounts payable
 
(1,829
)
 
(5,177
)
Accrued employee compensation and benefits
 
1,667

 
(8,118
)
Other accrued liabilities
 
(432
)
 
(2,917
)
Other, net
 
96

 
(8,030
)
Total
 
$
14,640

 
$
(26,474
)