Income Taxes (Effective Income Tax Rates Reconciliation) (Details)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Statutory tax rate	35.00%	35.00%	35.00%
State income taxes, net of federal benefit	(0.30%)	0.40%	0.80%
Uncertain tax matters	9.70%	3.50%	0.20%
Acquisition contingent earnout liability adjustments	(5.00%)	(0.40%)	(1.00%)
Other	1.70%	(2.10%)	(1.80%)
Effective tax rate from ongoing operations	15.50%	9.60%	9.50%
Effective tax rate after discrete items	15.50%	9.60%	2.90%
Release of valuation allowance [Member]
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Discrete Items	0.00%	0.00%	(9.00%)
Windfall expense related to stock compensation [Member]
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Discrete Items	0.00%	0.00%	2.60%
Enhanced R&D deduction - foreign operations [Member]
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Discrete Items	0.00%	0.00%	(0.20%)
Singapore [Member]
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Tax impact of foreign subsidiaries (primarily in Singapore)	(6.90%)	(8.10%)	(5.60%)
India [Member]
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Tax holiday - India (Permanent Difference)	(15.20%)	(15.60%)	(15.10%)
Sweden [Member]
Schedule Of Effective Income Tax Rates Reconciliation [Line Items]
Passive income exemption - Sweden (Permanent Difference)	(3.50%)	(3.10%)	(3.00%)