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Accounts Receivable - Net (Tables)
6 Months Ended
Mar. 31, 2017
Accounts Receivable - Net  
Schedule of net accounts receivable

 

 

March 31,
2017

 

September 30,
2016

 

 

 

(in millions)

 

Billed

 

$

2,180.9

 

$

2,267.6

 

Unbilled

 

2,105.4

 

1,890.2

 

Contract retentions

 

483.3

 

434.1

 

 

 

 

 

 

 

Total accounts receivable—gross

 

4,769.6

 

4,591.9

 

Allowance for doubtful accounts

 

(60.7

)

(60.4

)

 

 

 

 

 

 

Total accounts receivable—net

 

$

4,708.9

 

$

4,531.5