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Physical Commodities Inventory - Physical Commodities Inventory by CIP and Finished (Details) - USD ($) $ in Millions | Sep. 30, 2016 | Sep. 30, 2015
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Inventory [Line Items] |  |
Agricultural Related Inventory | $ 65.9 | $ 0.4
Precious Metals Inventory at fair value | 5.3 | 10.8
Precious Metals Inventory at cost | 52.6 | 21.6
Physical Commodities Inventory | $ 123.8 | $ 32.8

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- Definition Carrying amount as of the balance sheet date of merchandise or supplies held which are related to plants and animals. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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