Intangible Assets (Tables)

12 Months Ended

Sep. 30, 2017

Intangible Assets [Abstract]

Schedule of Finite and Indefinite-Lived Intangible Assets [Table Text Block]

The gross and net carrying values of intangible assets as of the balance sheet dates, by major intangible asset class are as follows (in millions):

	September 30, 2017							September 30, 2016
	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Intangible assets subject to amortization:
Trade name	$	—	$	—		$	—	$	1.1	$	(0.6	)	$	0.5
Software programs/platforms	2.7		(2.5		)	0.2		2.7		(2.4		)	0.3
Customer base	20.0		(7.9		)	12.1		14.0		(5.7		)	8.3
Total intangible assets	$	22.7	$	(10.4	)	$	12.3	$	17.8	$	(8.7	)	$	9.1

Schedule of Expected Amortization Expense [Table Text Block]

Amortization expense related to intangible assets was $2.8 million, $1.6 million, and $1.5 million for the fiscal years ended September 30, 2017, 2016, and 2015, respectively. The estimated future amortization expense as of September 30, 2017 is as follows (in millions):

Year ending September 30,
2018	$	2.2
2019	2.2
2020	2.0
2021	1.9
2022 and thereafter	4.0
	$	12.3