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Acquisitions - GIROXX (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 31, 2020 | Sep. 30, 2020 | Sep. 30, 2019
Business Acquisition [Line Items] |  |  |
Remaining excess allocated to goodwill |  | $ 54.7 | $ 51.2
Acquired finite-lived intangible asset, weighted average useful life |  | 1 year |
GIROXX [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Percentage of stock purchased | 100.00% |  |
Purchase price | $ 4.4 |  |
Cash and cash equivalents | 6.5 |  |
Property and equipment, net | 0.1 |  |
Accounts payable and other accrued liabilities | 0.6 |  |
Payable to clients | 5.8 |  |
Remaining excess allocated to goodwill | $ 2.3 |  |
Operating revenues post-acquisition results of the acquired business |  | $ 0.5 |
Net income (loss) post-acquisition results of the acquired business |  | 0.6 |
GIROXX [Member] | Licensing Agreements [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Purchase price allocated to client base intangible assets acquired |  | 0.4 |
GIROXX [Member] | Software Development [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Purchase price allocated to client base intangible assets acquired |  | $ 1.5 |
Acquired finite-lived intangible asset, weighted average useful life | 3 years |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120321790&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=116859721&loc=d3e6578-128477 + Details
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- Definition Amount of liabilities incurred for goods and services received that are used in an entity's business and related party payables, assumed at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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