Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Taxes [Abstract]

Reconciliation between the U.S. federal statutory tax rate and effective tax rate

	For the Three Months						For the Six Months
	Ended June 30,						Ended June 30,
	2012			2011			2012			2011
Statutory rate		35.0	%		35.0	%		35.0	%		35.0	%
State taxes		0.8			0.4			0.8			1.4
Taxes on foreign earnings		(7.6	)		(7.3	)		(7.9	)		(6.3	)
Credits and net operating loss utilization		(3.9	)		(4.1	)		(3.8	)		(3.1	)
Purchased intangible assets		1.1			1.4			1.1			1.4
Permanent items		(2.4	)		(1.1	)		(3.1	)		(1.2	)
Contingent consideration		0.6			—			0.4			—
Other		0.2			(0.5	)		0.2			(1.5	)
Effective tax rate		23.8	%		23.8	%		22.7	%		25.7	%