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Intangible Assets (Notes) | 12 Months Ended
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Sep. 30, 2019
Intangible Assets [Abstract] |
Intangible Assets Disclosure [Text Block] | Intangible Assets During the year ended September 30, 2019, the Company recorded a definite-lived intangible asset subject to amortization of $2.6 million for internally developed software acquired through the acquisition of CoinInvest GmbH and European Precious Metal Trading GmbH. The Company also recorded indefinite-lived intangible assets not subject to amortization of $2.1 million for website domains acquired through the acquisition of CoinInvest GmbH and European Precious Metal Trading GmbH. See Note 20 - Acquisitions for further discussion. During the year ended September 30, 2019, the Company recorded a definite-lived intangible asset subject to amortization of $0.7 million for client base assets acquired through the acquisition of Fillmore Advisors, LLC. See Note 20 - Acquisitions for further discussion. During the year ended September 30, 2019, the Company recorded an indefinite-lived intangible asset not subject to amortization of $2.7 million related to the acquisition of Akshay Financeware, Inc. See Note 20 - Acquisitions for further discussion. 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, 2019 |  | September 30, 2018
| Gross Amount |  | Accumulated Amortization |  | Net Amount |  | Gross Amount |  | Accumulated Amortization |  | Net Amount
Intangible assets subject to amortization: |  |  |  |  |  |  |  |  |  |  |
Software programs/platforms | $ | 5.3 |  |  | $ | (3.0 | ) |  | $ | 2.3 |  |  | $ | 2.7 |  |  | $ | (2.6 | ) |  | $ | 0.1 |
Client base | 22.1 |  |  | (12.5 | ) |  | 9.6 |  |  | 21.4 |  |  | (10.1 | ) |  | 11.3 |
Total intangible assets subject to amortization | 27.4 |  |  | (15.5 | ) |  | 11.9 |  |  | 24.1 |  |  | (12.7 | ) |  | 11.4 |
Intangible assets not subject to amortization: |  |  |  |  |  |  |  |  |  |  |
Website domains | 2.1 |  |  | — |  |  | 2.1 |  |  | — |  |  | — |  |  | — |
Business licenses | 2.7 |  |  | — |  |  | 2.7 |  |  | — |  |  | — |  |  | — |
Total intangible assets not subject to amortization | 4.8 |  |  | — |  |  | 4.8 |  |  | — |  |  | — |  |  | — |
Total intangible assets | $ | 32.2 |  |  | $ | (15.5 | ) |  | $ | 16.7 |  |  | $ | 24.1 |  |  | $ | (12.7 | ) |  | $ | 11.4 |
Amortization expense related to intangible assets was $2.8 million, $2.3 million, and $2.8 million for the years ended September 30, 2019, 2018, and 2017, respectively. As of September 30, 2019, the estimated future amortization expense was as follows:
(in millions) |
Fiscal 2020 | $ | 2.9 |
Fiscal 2021 | 2.9 |
Fiscal 2022 | 1.6 |
Fiscal 2023 | 1.4 |
Fiscal 2024 and thereafter | 3.1 |
| $ | 11.9 |

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- Definition Intangible Assets [Abstract] + References No definition available. + Details
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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -URI http://asc.fasb.org/topic&trid=2144416 + Details
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