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Accounts Receivable (Tables)
 12 Months Ended
Dec. 31, 2015
Receivables [Abstract]  
Summary of Accounts Receivable from Third Parties

Accounts receivable from third parties comprise the following as of the dates indicated:

 

 

 

December 31,

 

 

 

2015

 

 

2014

 

Trade customers

 

$

18.8

 

 

$

18.3

 

Allowance for doubtful accounts

 

 

—

 

 

 

—

 

Accounts receivable - third parties, net

 

$

18.8

 

 

$

18.3