Restructuring (Tables)

12 Months Ended

Dec. 31, 2012

Restructuring and Related Activities [Abstract]

Schedule Of Reconciliation Of Accrued Restructuring Charges

The reconciliation of accrued restructuring charges for the years ended December 31, 2012, 2011 and 2010 is summarized in the table below (in millions):

	Accrued Employee Termination Costs per Contract			Accrued One-time Employee Termination Costs			Accrued Total Employee Termination Costs			Accrued Other Costs			Total Accrued Restructuring Charges
Balance at December 31, 2009	$	2.6		$	0.3		$	2.9		$	—		$	2.9
Restructuring charges accrued	0.5			0.6			1.1			1.7			2.8
Restructuring charges utilized	(2.4		)	(0.9		)	(3.3		)	(0.3		)	(3.6		)
Balance at December 31, 2010	0.7			—			0.7			1.4			2.1
Restructuring charges accrued	5.3			0.1			5.4			0.5			5.9
Restructuring charges utilized	(5.0		)	(0.1		)	(5.1		)	(0.9		)	(6.0		)
Balance at December 31, 2011	1.0			—			1.0			1.0			2.0
Restructuring charges accrued	4.8			—			4.8			—			4.8
Restructuring charges utilized	(5.3		)	—			(5.3		)	(0.2		)	(5.5		)
Reversal of prior-year restructuring charges	(0.3		)	—			(0.3		)	—			(0.3		)
Balance at December 31, 2012	$	0.2		$	—		$	0.2		$	0.8		$	1.0