Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Taxes

Schedule of consolidated effective federal and state income tax rates

	Three Months Ended						Six-Months Ended						Twelve Months Ended
	2012			2011			2012			2011			2012			2011
Consolidated provision for income taxes	$	6.8		$	5.6		$	13.0		$	12.8		$	34.4		$	28.9
Consolidated effective federal and state income tax rates	38.7		%	37.8		%	38.7		%	37.8		%	38.8		%	35.5		%