Acquisitions Acquisitions (Notes)

9 Months Ended

Jun. 30, 2016

Business Combinations [Abstract]

Business Combination Disclosure [Text Block]

Acquisitions

Sterne Agee

Effective July 1, 2016, the Company completed its acquisition of all of the equity interests of Sterne Agee, LLC's (a wholly-owned subsidiary of Stifel Financial Corp.) legacy independent brokerage and clearing businesses. Effective August 1, 2016, the Company completed its acquisition of all of the equity interests of Sterne Agee, LLC's legacy Registered Investment Advisor (“RIA”) business. Pursuant to the two stock purchase agreements, the Company agreed to acquire Sterne Agee & Leach, Inc.; Sterne Agee Clearing, Inc.; Sterne Agee Financial Services, Inc.; Sterne Agee Asset Management, Inc. and Sterne Agee Investment Advisor Services, Inc. for cash consideration. The purchase price payable by the Company to be finalized after completion of financial statement diligence procedures, is equal to Sterne's net tangible book value at closing of approximately $48.5 million.