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Accounts Receivable-Net (Tables)
6 Months Ended
Mar. 31, 2013
Accounts Receivable-Net  
Schedule of net accounts receivable

 

 

 

March 31,
2013

 

September 30,
2012

 

 

 

(in millions)

 

Billed

 

$

1,187.1

 

$

1,207.0

 

Unbilled

 

1,083.9

 

1,145.1

 

Contract retentions

 

164.0

 

156.6

 

Total accounts receivable—gross

 

2,435.0

 

2,508.7

 

Allowance for doubtful accounts

 

(103.7

)

(112.8

)

Total accounts receivable—net

 

$

2,331.3

 

$

2,395.9