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Accounts Receivable - Net (Tables)
3 Months Ended
Dec. 31, 2016
Accounts Receivable - Net  
Schedule of net accounts receivable

 

 

December 31,
2016

 

September 30,
2016

 

 

 

(in millions)

 

Billed

 

$

2,200.5

 

$

2,267.6

 

Unbilled

 

1,941.8

 

1,890.2

 

Contract retentions

 

456.0

 

434.1

 

 

 

 

 

 

 

Total accounts receivable—gross

 

4,598.3

 

4,591.9

 

Allowance for doubtful accounts

 

(59.9

)

(60.4

)

 

 

 

 

 

 

Total accounts receivable—net

 

$

4,538.4

 

$

4,531.5