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Intangible Assets
 3 Months Ended
Dec. 31, 2011
Intangible Assets [Abstract]  
Intangible Assets Disclosure [Text Block]
Intangible Assets
The gross and net carrying values of intangible assets as of the balance sheet dates, by major intangible asset class are as follows:
 
December 31, 2011
 
September 30, 2011
(in millions)
Gross Amount
 
Accumulated
Amortization
 
Net Amount
 
Gross Amount
 
Accumulated
Amortization
 
Net Amount
Intangible assets subject to amortization
 
 
 
 
 
 
 
 
 
 
 
Noncompete agreement
$
3.7

 
$
(2.0
)
 
$
1.7

 
$
3.7

 
$
(1.7
)
 
$
2.0

Trade name
0.6

 
(0.5
)
 
0.1

 
0.6

 
(0.5
)
 
0.1

Software programs/platforms
2.1

 
(0.8
)
 
1.3

 
2.1

 
(0.6
)
 
1.5

Customer base
10.1

 
(1.1
)
 
9.0

 
8.9

 
(1.0
)
 
7.9

 
16.5

 
(4.4
)
 
12.1

 
15.3

 
(3.8
)
 
11.5

Intangible assets not subject to amortization
 
 
 
 
 
 
 
 
 
 
 
Trade name
2.1

 
—

 
2.1

 
2.1

 
—

 
2.1

Total intangible assets
$
18.6

 
$
(4.4
)
 
$
14.2

 
$
17.4

 
$
(3.8
)
 
$
13.6

Amortization expense related to intangible assets was $0.6 million and $0.5 million for the three months ended December 31, 2011 and 2010, respectively. As of December 31, 2011, the estimated future amortization expense was as follows:
(in millions)
 
Fiscal 2012 (remaining nine months)
$
2.3

Fiscal 2013
2.2

Fiscal 2014
0.9

Fiscal 2015
0.7

Fiscal 2016
0.4

Fiscal 2017 and thereafter
5.6

 
$
12.1