XML 24 R37.htm IDEA: XBRL DOCUMENT

Note 4 - Income Taxes (Detail) - Summary of Differences Between U.S. Federal Statutory Rate and Company's Effective Tax Rate	12 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Statutory tax rate	34.00%	34.00%	34.00%
State income taxes, net of U.S. federal tax benefit	3.50%	4.60%	4.00%
Charges without tax benefit	1.40%	0.70%	0.50%
Tax credits and other exclusions	(0.90%)	0.70%	(0.50%)
Company’s effective tax rate	38.00%	40.00%	38.00%

A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

+ References+ Details

- Definition

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

+ References+ Details