XML 56 R41.htm IDEA: XBRL DOCUMENT v3.6.0.2
Supplemental Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2016
Supplemental Cash Flow Elements [Abstract]  
Net Changes In Components Of Operating Assets And Liabilities
The following table provides information regarding the net changes in components of operating assets and liabilities:
 
 
Year Ended December 31,
 
2016
 
2015
 
2014
(Increase) decrease in:
 
 
 
 
 
Accounts receivable
$
(9,859
)
 
$
99,384

 
$
95,014

Inventories
(54,361
)
 
3,811

 
38,501

Deferred charges
(3,902
)
 
(11,916
)
 
(8,935
)
Other current assets
3,059

 
6,417

 
62,305

Increase (decrease) in:
 
 
 
 
 
Accounts payable
(17,426
)
 
(101,581
)
 
(73,307
)
Accrued liabilities
(8,161
)
 
9,257

 
(35,624
)
Net changes in components of operating assets and liabilities
$
(90,650
)
 
$
5,372

 
$
77,954