Intangible Assets - (Tables)

6 Months Ended

Mar. 31, 2020

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, 2020							September 30, 2019
	Gross Amount		Accumulated Amortization			Net Amount		Gross Amount		Accumulated Amortization			Net Amount
Intangible assets subject to amortization:
Software programs/platforms	$	5.3	$	(3.2	)	$	2.1	$	5.3	$	(3.0	)	$	2.3
Customer base	28.2		(14.2		)	14.0		22.1		(12.5		)	9.6
Total intangible assets subject to amortization:	33.5		(17.4		)	16.1		27.4		(15.5		)	11.9
Intangible assets not subject to amortization:
Website domains	2.1		—			2.1		2.1		—			2.1
Business licenses	2.7		—			2.7		2.7		—			2.7
Total intangible assets not subject to amortization:	4.8		—			4.8		4.8		—			4.8
Total intangible assets	$	38.3	$	(17.4	)	$	20.9	$	32.2	$	(15.5	)	$	16.7

Schedule of Expected Amortization Expense [Table Text Block]

Amortization expense related to intangible assets was $1.1 million and $0.6 million for the three months ended March 31, 2020 and 2019, respectively. Amortization expense related to intangible assets was $1.9 million and $1.3 million for the six months ended March 31, 2020 and 2019, respectively.

As of March 31, 2020, the estimated future amortization expense was as follows:

(in millions)
Fiscal 2020 (remaining six months)	$	2.0
Fiscal 2021	4.0
Fiscal 2022	2.7
Fiscal 2023	2.5
Fiscal 2024 and thereafter	4.9
Total intangible assets subject to amortization	$	16.1