Income Taxes (Tables)

9 Months Ended

Sep. 30, 2011

Income Taxes [Abstract]

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

	For the Three Months						For the Nine Months
	Ended September 30,						Ended September 30,
	2011			2010			2011			2010
Statutory rate		35.0	%		35.0	%		35.0	%		35.0	%
State taxes		1.3			2.4			1.4			2.0
Taxes on foreign earnings		(3.8	)		(13.6	)		(5.4	)		(10.8	)
Credits and net operating loss utilization		(5.1	)		(4.3	)		(3.8	)		(2.2	)
Purchased intangible assets		1.1			2.9			1.3			1.8
IPR&D		—			21.6			—			5.2
Permanent items		(1.2	)		(3.8	)		(1.2	)		(2.1	)
Other		(0.9	)		(0.1	)		(1.3	)		(0.2	)
Effective tax rate		26.4	%		40.1	%		26.0	%		28.7	%