Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions	Sep. 30, 2017	Sep. 30, 2016
ASSETS
Securities and other assets segregated, fair value	$ 54.5	$ 618.8
Deposits and receivables from bds and counterparties at fair value	204.7	853.3
Physical commodities inventory at fair value	73.2	71.2
Securities Sold under Agreements to Repurchase, Fair Value of Collateral	19.4	47.2
Accounts pay and other accrued - fair value	1.0	0.8
Payables to b/ds and counterparties at fair value	$ 4.8	$ 3.5
Preferred stock - par value	$ 0.01	$ 0.01
Preferred stock - authorized	1,000,000	1,000,000
Preferred stock - issued	0	0
Preferred stock - outstanding	0	0
Common stock - par value	$ 0.01	$ 0.01
Common stock - authorized	30,000,000	30,000,000
Common stock - issued	20,855,243	20,557,175
Common stock - outstanding	18,733,286	18,435,218
Treasury stock - shares	2,121,957	2,121,957

Accounts payable and other accrued liabilities - contingent consideration, fair value

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Deposits and receivables from b/ds and counterparties at fair value

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Payables to b/ds and counterparties at fair value

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Physical commodities inventory at fair value - precious metals

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Securities and other assets segregated, fair value

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Face amount or stated value per share of common stock.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Fair value of securities pledged as collateral against securities sold under agreement to repurchase.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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