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Accounts Receivable - Net (Tables)
12 Months Ended
Sep. 30, 2018
Accounts Receivable - Net  
Schedule of net accounts receivable

 

 

 

 

 

 

 

 

 

 

Fiscal Year Ended

 

    

September 30,

    

September 30,

 

 

2018

 

2017

 

 

(in millions)

Billed

 

$

2,697.7

 

$

2,317.8

Unbilled

 

 

2,161.0

 

 

2,293.5

Contract retentions

 

 

661.7

 

 

568.6

Total accounts receivable—gross

 

 

5,520.4

 

 

5,179.9

Allowance for doubtful accounts

 

 

(51.6)

 

 

(52.2)

Total accounts receivable—net

 

$

5,468.8

 

$

5,127.7