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Supplemental Cash Flow Information (Tables)
 6 Months Ended
Jun. 30, 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:
 
 
Six Months Ended 
 June 30,
(in thousands)
 
2014
 
2013
 
 
 
 
 
Other changes in certain working capital accounts, net
 
 
 
 
Accounts and notes receivable
 
$
11,411

 
$
(4,420
)
Income taxes receivable/payable, net
 
(235
)
 
(3,167
)
Accounts payable
 
(1,084
)
 
(6,538
)
Accrued employee compensation and benefits
 
611

 
(12,487
)
Other accrued liabilities
 
2,596

 
467

Other, net
 
(1,888
)
 
(4,899
)
Total
 
$
11,411

 
$
(31,044
)