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Supplemental Cash Flow Information
 6 Months Ended
Jun. 30, 2014
Supplemental Cash Flow Information [Abstract]  
Supplemental Cash Flow Information
Note 16.  Supplemental Cash Flow Information

The following table presents the net effect of changes in our operating accounts for the periods indicated:

 
 
For the Six Months
 
 
 
Ended June 30,
 
 
 
2014
  
2013
 
Decrease (increase) in:
 
  
 
Accounts receivable – trade
 
$
80.3
  
$
(312.6
)
Accounts receivable – related parties
  
(43.4
)
  
(17.2
)
Inventories
  
(235.0
)
  
(255.1
)
Prepaid and other current assets
  
(64.3
)
  
(42.2
)
Other assets
  
21.5
   
0.8
 
Increase (decrease) in:
        
Accounts payable – trade
  
(32.5
)
  
35.3
 
Accounts payable – related parties
  
(36.5
)
  
15.0
 
Accrued product payables
  
(0.6
)
  
195.7
 
Accrued interest
  
15.3
   
2.8
 
Other current liabilities
  
90.0
   
(16.5
)
Other liabilities
  
6.6
   
(15.2
)
Net effect of changes in operating accounts
 
$
(198.6
)
 
$
(409.2
)

We incurred liabilities for construction in progress that had not been paid at June 30, 2014 and December 31, 2013 of $264.2 million and $205.3 million, respectively.  Such amounts are not included under the caption "Capital expenditures" on the Unaudited Condensed Statements of Consolidated Cash Flows.

On certain of our capital projects, third parties are obligated to reimburse us for all or a portion of project expenditures.  The majority of such arrangements are associated with projects related to pipeline construction activities and production well tie-ins.  These cash receipts are presented as "Contributions in aid of construction costs" within the investing activities section of our Unaudited Condensed Statements of Consolidated Cash Flows.

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

 
 
For the Six Months
Ended June 30,
 
 
 
2014
  
2013
 
Sale of Stratton Ridge-to-Mont Belvieu segment of Seminole Pipeline (see Note 6)
 
$
--
  
$
86.9
 
Sale of lubrication oil and specialty chemical distribution assets (see Note 6)
  
--
   
35.3
 
Sale of chemical trucking assets
  
--
   
29.5
 
Insurance recoveries attributable to West Storage claims (see Note 15)
  
95.0
   
8.8
 
Other cash proceeds
  
18.2
   
38.7
 
Total
 
$
113.2
  
$
199.2
 

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

 
 
For the Six Months
Ended June 30,
 
 
 
2014
  
2013
 
Sale of Stratton Ridge-to-Mont Belvieu segment of Seminole Pipeline (see Note 6)
 
$
--
  
$
52.5
 
Gains attributable to West Storage insurance recoveries (see Note 15)
  
95.0
   
8.8
 
Net gains (losses) attributable to other asset sales
  
1.4
   
(3.1
)
Total
 
$
96.4
  
$
58.2