Note 8. Shareholders’ Equity (Detail) (USD $)	1 Months Ended			3 Months Ended			6 Months Ended			9 Months Ended		18 Months Ended					6 Months Ended		5 Months Ended	6 Months Ended		3 Months Ended
	Jan. 31, 2011	May 31, 2010	May 30, 2009	Dec. 31, 2010	Jun. 30, 2010	Apr. 30, 2010	Jun. 30, 2011	Jul. 01, 2010	Jun. 30, 2010	Sep. 30, 2010	Sep. 30, 2009	Jun. 30, 2011	Apr. 12, 2011	Mar. 31, 2011	Jul. 31, 2010	Jan. 31, 2010	Jun. 30, 2011 Share Based Compensation Plans [Member]	Jun. 30, 2010 Share Based Compensation Plans [Member]	Jun. 09, 2011 Vest June2011 [Member]	Jun. 30, 2012 Vest June2012 [Member]	Jun. 24, 2011 Vest June2012 [Member]	Mar. 31, 2014 Vest March2014 [Member]	Jun. 24, 2011 Vest March2014 [Member]
GrantOfRestrictedShares																			$ 7,968		$ 256,927		$ 163,649
Stock Granted During Period, Value, Share-based Compensation, Gross																			100,000	1,900,000		1,200,000
Stock Issued During Period, Shares, New Issues (in Shares)		48,825	42,636			3.3		604,637				18.9
Employee Benefits and Share-based Compensation										900,000	2,500,000
Stock Repurchased During Period, Shares (in Shares)					56,688
Stock Repurchased During Period, Value					500,000
Treasury Stock Acquired, Average Cost Per Share (in Dollars per share)					$ 8.29
Proceeds from Stock Options Exercised							4,838,000		45,562,000								500,000	200,000
Preferred Stock Dividends Paid During The Period	16,300,000
CommonStockIssuedAsDividends															97.00%	97.00%
Mandatory Convertible Preferred Stock Dividend				3,300,000		3,300,000		631,334,000,000
Preferred Stock, Shares Outstanding (in Shares)							2,012,500					2,012,500
Debt Instrument, Convertible, Conversion Ratio												9.3773
Common Stock, Other Shares, Outstanding (in Shares)														1,800,000
Warrants Exercised													$ 9,500,000	$ 4,400,000