Income Taxes (Tables)

9 Months Ended

Sep. 30, 2013

Income Tax Disclosure [Abstract]

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

	For the Three Months Ended September 30,				For the Nine Months Ended September 30,
	2013		2012		2013		2012
Statutory rate	35.0	%	35.0	%	35.0	%	35.0	%
State taxes	2.5		0.8		3.7		0.8
Taxes on foreign earnings	(6.6	)	(7.1	)	(7.7	)	(7.6	)
Credits and net operating loss utilization	(2.2	)	(3.4	)	(3.0	)	(3.7	)
Purchased intangible assets	1.9		1.3		1.6		1.2
Manufacturing deduction	(2.5	)	(2.5	)	(8.0	)	(2.3	)
Other permanent items	(0.3	)	0.4		1.0		(0.4	)
Other	(0.4	)	0.2		(0.1	)	0.5
Effective tax rate	27.4	%	24.7	%	22.5	%	23.5	%