Credit Facilities (Tables)

12 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Schedule of Debt

The following table sets forth a listing of credit facilities, the current committed amounts as of the report date on the facilities, and outstanding borrowings on the facilities as well as indebtedness on a promissory note and the Senior Secured Notes as of the periods indicated:

(in millions)
							Amounts Outstanding
	Borrower	Security	Renewal/Expiration Date	Total Commitment			September 30, 2021			September 30, 2020
Committed Credit Facilities
	Term Loan	(1)	August 22, 2022	$	170.3	(4)	$	170.1	(3)	$	179.5
	Revolving Line of Credit	(1)	August 22, 2022	236.1		(5)	—			23.0
	Senior StoneX Group Inc. Committed Credit Facility			406.4			170.1			202.5
	StoneX Financial Inc.	None	April 1, 2022	75.0			—			—
	FCStone Merchants Services, LLC	Certain commodities assets	January 29, 2022	300.0		(5)	215.0			200.1
	StoneX Financial Ltd.	None	October 14, 2022	25.0		(5)	—			25.0
				$	806.4		$	385.1		$	427.6
Uncommitted Credit Facilities
	StoneX Financial Inc.	Commodities warehouse receipts and certain pledged securities	n/a	n/a			—			—
	StoneX Financial Ltd.	Commodities warehouse receipts	n/a	n/a		(5)	25.0			20.0
	Notes payable to bank	Certain equipment				(5)	8.6			—
	Senior Secured Notes	(2)				(4)	336.9		(3)	336.0
Total outstanding borrowings							$	755.6		$	783.6

(1) The StoneX Group Inc. committed credit facility is secured by substantially all of the assets of StoneX Group Inc. and certain subsidiaries identified in the credit facility agreement as obligors, and pledged equity of certain subsidiaries identified in the credit facility as limited guarantors

(2) The Senior Secured Notes and the related guarantees are secured by liens on substantially all of the Company’s and the guarantors’ assets, subject to certain customary and other exceptions and permitted liens. The liens on the assets that secure the Senior Secured Notes and the related guarantees are contractually subordinated to the liens on the assets that secure the Company’s and the guarantors’ existing and future first lien secured indebtedness, including indebtedness under the Company’s senior committed credit facility.

(3) Amounts outstanding under the Term Loan and the Senior Secured Notes are reported net of unamortized deferred financing costs and original issue discount of $0.2 million and $11.5 million, respectively.

(4) Included in Senior secured borrowings, net on the Consolidated Balance Sheets.

(5) Included in Lenders under loans on the Consolidated Balance Sheets.