Acquisitions And Divestitures (Details) (USD $)	3 Months Ended				9 Months Ended				3 Months Ended	12 Months Ended
	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Mar. 31, 2010	Sep. 30, 2011		Sep. 30, 2010		Mar. 31, 2010 FTN Equity Capital Markets [Member]	Dec. 31, 2009 FTN Equity Capital Markets [Member]
Recognized after-tax gains on the sales	$ 5,700,000	$ 4,200,000			$ 9,900,000
Number of states, serves customers by subsidiary			40
Goodwill, Impairment			10,100,000	3,300,000	10,100,000	[1],[2]	3,348,000	[1],[2]	3,300,000	14,300,000
Tax benefits recognized			11,100,000
After tax goodwill impairment									2,000,000	9,000,000
Severance and contract termination costs									$ 6,100,000

[1] See Note 17 - Restructuring, Repositioning, and Efficiency for further details related to goodwill impairments.

[2] See Note 2 - Acquisitions and Divestitures for further details regarding goodwill related to divestitures.