XML 48 R37.htm IDEA: XBRL DOCUMENT v3.20.1
Supplemental Cash Flow Information (Tables)
 3 Months Ended
Mar. 31, 2020
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.
 
 
Three Months Ended March 31,
 
2020
 
2019
(Increase) decrease in:
 
 
 
Accounts receivable
$
101,405

 
$
18,170

Inventories
(5,024
)
 
(6,616
)
Deferred charges
2,783

 
(4,092
)
Other current assets
(3,746
)
 
(5,067
)
Increase (decrease) in:
 
 
 
Accounts payable
(62,365
)
 
5,226

Accrued liabilities
(25,519
)
 
(4,421
)
Net changes in components of operating assets and liabilities
$
7,534

 
$
3,200