XML 28 R16.htm IDEA: XBRL DOCUMENT
v3.19.2

Goodwill (Notes) | 9 Months Ended
--- | ---
Jun. 30, 2019
Goodwill [Abstract] |
Goodwill Disclosure [Text Block] | Goodwill The carrying value of goodwill is allocated to the Company’s operating segments as follows:
(in millions) | June 30, 2019 |  | September 30, 2018
Commercial Hedging | $ | 30.3 |  |  | $ | 30.3 |
Global Payments | 6.9 |  |  | 8.9 |
Physical Commodities | 9.5 |  |  | 2.4 |
Securities | 7.0 |  |  | 6.8 |
Goodwill | $ | 53.7 |  |  | $ | 48.4 |
The Company recorded zero and $1.3 million in foreign exchange revaluation adjustments on goodwill for the nine months ended June 30, 2019 and 2018, respectively. The Company recorded additional goodwill of $0.2 million during the nine months ended June 30, 2019 within the Securities operating segment related to the acquisition of Carl Kliem S.A. The Company also recorded a reduction to goodwill of $2.0 million during the nine months ended June 30, 2019 within the Global Payments operating segment related to measurement period adjustments on the acquisition of INTL Technology Services, LLC (formerly PayCommerce Financial Solutions, LLC) and in connection with the joint venture transaction discussed in Note 17. The Company also recorded additional goodwill of $7.1 million during the nine months ended June 30, 2019 within the Physical Commodities operating segment related to the acquisition of CoinInvest GmbH and European Precious Metal Trading GmbH as discussed in Note 17.

X
- Definition Goodwill [Abstract] + References No definition available. + Details
Name: | intl_GoodwillAbstract
Namespace Prefix: | intl_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The entire disclosure for goodwill. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2144439 + Details
Name: | us-gaap_GoodwillDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration