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Supplemental Cash Flow Information
 12 Months Ended
Dec. 31, 2017
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information


Note 19.  Supplemental Cash Flow Information

The following table provides information regarding the net effect of changes in our operating accounts and cash payments for interest and income taxes for the periods indicated:

 
 
For the Year Ended December 31,
 
 
 
2017
  
2016
  
2015
 
Decrease (increase) in:
         
Accounts receivable – trade
 
$
(1,076.2
)
 
$
(679.0
)
 
$
1,279.3
 
Accounts receivable – related parties
  
(0.7
)
  
0.4
   
1.3
 
Inventories
  
194.6
   
(871.8
)
  
(72.7
)
Prepaid and other current assets
  
226.0
   
(49.3
)
  
(59.1
)
Other assets
  
(111.0
)
  
(2.0
)
  
(5.8
)
Increase (decrease) in:
            
Accounts payable – trade
  
66.6
   
(21.5
)
  
(52.9
)
Accounts payable – related parties
  
56.0
   
21.0
   
(34.8
)
Accrued product payables
  
952.3
   
1,193.3
   
(1,342.4
)
Accrued interest
  
17.3
   
(11.4
)
  
16.5
 
Other current liabilities
  
(291.4
)
  
189.9
   
(67.1
)
Other liabilities
  
(1.3
)
  
49.5
   
14.4
 
Net effect of changes in operating accounts
 
$
32.2
  
$
(180.9
)
 
$
(323.3
)
 
            
Cash payments for interest, net of $192.1, $168.2 and $149.1
capitalized in 2017, 2016 and 2015, respectively
 
$
912.1
  
$
947.9
  
$
911.6
 
 
            
Cash payments for federal and state income taxes
 
$
20.9
  
$
18.7
  
$
17.5
 

We incurred liabilities for construction in progress that had not been paid at December 31, 2017, 2016 and 2015 of $373.0 million, $124.3 million and $472.8 million, respectively.  Such amounts are not included under the caption “Capital expenditures” on our Statements of Consolidated Cash Flows.

The following table presents our cash proceeds from asset sales for the periods indicated:

 
 
For the Year Ended December 31,
 
 
 
2017
  
2016
  
2015
 
Sale of Offshore Business (see Note 10)
 
$
--
  
$
--
  
$
1,527.7
 
Cash proceeds from other asset sales
  
40.1
   
46.5
   
80.9
 
Total
 
$
40.1
  
$
46.5
  
$
1,608.6
 

The following table presents net gains (losses) attributable to asset sales for the periods indicated:

 
 
For the Year Ended December 31,
 
 
 
2017
  
2016
  
2015
 
Sale of Offshore Business (see Note 10)
 
$
--
  
$
--
  
$
(12.3
)
Net gains (losses) attributable to other asset sales
  
10.7
   
2.5
   
(3.3
)
Total
 
$
10.7
  
$
2.5
  
$
(15.6
)

In July 2015, we purchased EFS Midstream for approximately $2.1 billion in cash, which was payable in two installments.  The initial payment of $1.1 billion was paid in July 2015, with the second and final installment of $1.0 billion paid in July 2016.  See Note 12 for information regarding this business combination.

See Note 12 for information regarding non-cash consideration we issued in connection with Step 2 of the Oiltanking acquisition.

See Note 14 for information regarding asset impairment and related charges as presented on our Statements of Consolidated Cash Flows.