Goodwill And Other Acquired Intangible Assets (Tables)

3 Months Ended

Mar. 31, 2012

Goodwill And Other Acquired Intangible Assets [Abstract]

Activity In Goodwill

	Three Months Ended March 31, 2012						Year ended December 31, 2011
	MIS		MA		Consolidated		MIS			MA			Consolidated
Beginning Balance	$	11.0	$	631.9	$	642.9	$	11.4		$	454.1		$	465.5
Additions/adjustments		—		2.1		2.1		—			198.5			198.5
FX translation		0.2		11.1		11.3		(0.4	)		(20.7	)		(21.1	)
Ending balance	$	11.2	$	645.1	$	656.3	$	11.0		$	631.9		$	642.9

Acquired Intangible Assets And Related Amortization

	March 31, 2012			December 31, 2011
Customer relationships	$	219.6		$	217.9
Accumulated amortization		(62.4	)		(58.6	)
Net customer relationships		157.2			159.3
Trade secrets		31.4			31.3
Accumulated amortization		(14.1	)		(13.4	)
Net trade secrets		17.3			17.9
Software		72.7			70.9
Accumulated amortization		(27.6	)		(25.1	)
Net software		45.1			45.8
Trade names		28.3			28.1
Accumulated amortization		(9.4	)		(9.0	)
Net trade names		18.9			19.1
Other		24.9			24.6
Accumulated amortization		(14.1	)		(13.1	)
Net other		10.8			11.5
Total acquired intangible assets, net	$	249.3		$	253.6

Amortization Expense

	Three Months Ended March 31,
	2012		2011
Amortization Expense	$	7.3	$	4.8

Estimated Future Amortization Expense

Year Ending December 31,
2012 (after March 31,)	$	21.2
2013		27.5
2014		22.3
2015		21.0
2016		19.7
Thereafter		137.6