Income Taxes (Tables)

6 Months Ended

Jun. 30, 2011

Income Taxes (Tables) [Abstract]

Change in unrecognized tax benefits

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2011			2010			2011			2010
Statutory rate		35.0	%		35.0	%		35.0	%		35.0	%
State taxes		2.6			3.3			2.5			3.1
Tax settlements		0.0			(5.3	)		0.0			0.6
Changes in tax reserves		0.8			2.1			1.0			(7.7	)
Foreign tax adjustments		(0.6	)		2.1			(0.6	)		2.4
Other, net		2.1			2.2			1.5			2.6
Effective rate		39.9	%		39.4	%		39.4	%		36.0	%

Reconciliation between the statutory United States federal income tax rate and the Company's effective income tax rate

	Six Months Ended
	June 30,
	2011			2010
	(in millions)
Beginning balance	$	36.8		$	40.1
Additions for tax positions related to the current year		1.8			1.7
Additions for tax positions of prior years		14.5			5.8
Reductions for tax positions of prior years		—			(5.2	)
Settlements		(0.7	)		(1.1	)
Expiration of statute of limitations		(0.1	)		(0.4	)
Ending balance	$	52.3		$	40.9