XML 32 R21.htm IDEA: XBRL DOCUMENT v3.8.0.1
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 provides information regarding the net changes in components of operating assets and liabilities.
 
 
Three Months Ended
March 31,
 
2018
 
2017
(Increase) decrease in:
 
 
 
Accounts receivable
$
27,368

 
$
9,169

Inventories
(4,469
)
 
6,009

Deferred charges
(4,161
)
 
(348
)
Other current assets
(7,694
)
 
(4,605
)
Increase (decrease) in:
 
 
 
Accounts payable
94

 
(17,305
)
Accrued liabilities
(14,920
)
 
(21,988
)
Net changes in components of operating assets and liabilities
(3,782
)
 
(29,068
)

Payments of interest and commitment fees were $43.0 million and $46.7 million for the three months ended March 31, 2018 and March 31, 2017, respectively. We capitalized interest of $1.4 million and $6.0 million during the three months ended March 31, 2018 and March 31, 2017.
At March 31, 2018 and March 31, 2017, we had incurred liabilities for fixed and intangible asset additions totaling $20.6 million and $31.6 million, respectively, that had not been paid at the end of the quarter, and, therefore, were not included in the caption “Payments to acquire fixed and intangible assets” under Cash Flows from Investing Activities in the Unaudited Condensed Consolidated Statements of Cash Flows.