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Supplemental Cash Flow Information
 3 Months Ended
Mar. 31, 2018
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
Supplemental Cash Flow Information
The following table presents additional information about the change in certain working capital accounts:
 
 
Three Months Ended 
 March 31,
(in thousands)
 
2018
 
2017
 
 
 
 
 
Accounts receivable
 
$
9,166

 
$
(1,018
)
Other current assets
 
(3,508
)
 
(24
)
Accounts payable
 
4,251

 
2,283

Accrued employee compensation and benefits
 
(13,516
)
 
(12,741
)
Other accrued liabilities
 
1,412

 
886

Other, net
 
(63
)
 
(862
)
Total
 
$
(2,258
)
 
$
(11,476
)