XML 62 R53.htm IDEA: XBRL DOCUMENT

Differences Between the 35 Percent Statutory Income Tax Rate and Effective Income Tax Rate (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Reconciliation of Statutory Federal Tax Rate [Line Items]
Tax at statutory rate	35.00%	35.00%	35.00%	35.00%
Increase (decrease) resulting from:
Tax-exempt income from municipal bonds	9.00%	(41.90%)	83.70%	(17.10%)
Dividend received exclusion	5.20%	(21.40%)	48.40%	(8.50%)
Other	0.30%	2.60%	(5.20%)	1.10%
Effective rate	49.50%	(25.70%)	161.90%	10.50%

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