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Energy Services Accounts Receivable Securitization Facility (Tables)
 3 Months Ended
Dec. 31, 2016
Transfers and Servicing [Abstract]  
Schedule of Transfer of Trade Receivables
Information regarding the trade receivables transferred to ESFC and the amounts sold to the bank for the three months ended December 31, 2016 and 2015, as well as the balance of ESFC trade receivables at December 31, 2016, September 30, 2016 and December 31, 2015, is as follows:
 
 
Three Months Ended December 31,
 
 
2016
 
2015
Trade receivables transferred to ESFC during the period
 
$
246.4

 
$
199.3

ESFC trade receivables sold to the bank during the period
 
$
66.0

 
$
61.5


 
 
December 31, 2016
 
September 30, 2016
 
December 31, 2015
ESFC trade receivables - end of period (a)
 
$
81.4

 
$
35.7

 
$
55.4


(a)
At December 31, 2016, September 30, 2016 and December 31, 2015, the amounts of ESFC trade receivables sold to the bank were $35.0, $25.5 and $26.0, respectively, and are reflected as “short-term borrowings” on the Condensed Consolidated Balance Sheets.