Income Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Income Taxes.

Schedule of consolidated effective federal and state income tax rates

	Three Months Ended						Six-Months Ended						Twelve Months Ended
	2011			2010			2011			2010			2011			2010
Consolidated provision for income taxes	$	5.6		$	4.5		$	12.8		$	14.4		$	28.9		$	24.6
Consolidated effective federal and state income tax rates	37.8		%	37.7		%	37.8		%	47.5		%	35.5		%	38.9		%