Intangible Assets - (Tables)

6 Months Ended

Mar. 31, 2018

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):

	March 31, 2018							September 30, 2017
	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Intangible assets subject to amortization:
Software programs/platforms	2.7		(2.5		)	0.2		2.7		(2.5		)	0.2
Customer base	20.0		(9.0		)	11.0		20.0		(7.9		)	12.1
Total intangible assets	$	22.7	$	(11.5	)	$	11.2	$	22.7	$	(10.4	)	$	12.3

Schedule of Expected Amortization Expense [Table Text Block]

Amortization expense related to intangible assets was $1.1 million and $1.4 million for the six months ended March 31, 2018 and 2017, respectively.

As of March 31, 2018, the estimated future amortization expense was as follows:

(in millions)
Fiscal 2018 (remaining six months)	$	1.1
Fiscal 2019	2.2
Fiscal 2020	2.0
Fiscal 2021	1.9
Fiscal 2022 and thereafter	4.0
	$	11.2