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Intangible Assets
 3 Months Ended
Dec. 31, 2012
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, 2012
 
September 30, 2012
(in millions)
Gross Amount
 
Accumulated
Amortization
 
Net Amount
 
Gross Amount
 
Accumulated
Amortization
 
Net Amount
Intangible assets subject to amortization
 
 
 
 
 
 
 
 
 
 
 
Noncompete agreement
$
3.7

 
$
(3.3
)
 
$
0.4

 
$
3.7

 
$
(3.0
)
 
$
0.7

Trade name
0.7

 
(0.6
)
 
0.1

 
0.7

 
(0.5
)
 
0.2

Software programs/platforms
2.2

 
(1.1
)
 
1.1

 
2.2

 
(1.0
)
 
1.2

Customer base
12.7

 
(1.9
)
 
10.8

 
9.6

 
(1.8
)
 
7.8

 
19.3

 
(6.9
)
 
12.4

 
16.2

 
(6.3
)
 
9.9

Intangible assets not subject to amortization
 
 
 
 
 
 
 
 
 
 
 
Trade name
1.2

 
—

 
1.2

 
1.2

 
—

 
1.2

Total intangible assets
$
20.5

 
$
(6.9
)
 
$
13.6

 
$
17.4

 
$
(6.3
)
 
$
11.1


Amortization expense related to intangible assets was $0.6 million for the three months ended December 31, 2012 and 2011.
As of December 31, 2012, the estimated future amortization expense was as follows:
(in millions)
 
Fiscal 2013 (remaining nine months)
$
2.1

Fiscal 2014
1.7

Fiscal 2015
1.4

Fiscal 2016
1.0

Fiscal 2017
1.0

Fiscal 2018 and thereafter
5.2

 
$
12.4