Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Income Taxes [Abstract]
Income tax expense at federal statutory rate	35.00%	35.00%
State taxes, net of federal income tax benefit	2.20%	1.40%
Valuation allowance for capital loss carry-forwards	1.10%	3.30%
Unremitted earnings from foreign operations	1.10%	0.70%
Valuation allowance for foreign operating loss carry-forwards	0.90%	0.30%
Income tax contingency accruals/reversals	0.90%	(0.30%)
Non-deductible expenses	0.80%	0.20%
Changes in estimates related to prior year tax provision	(0.30%)	0.10%
Research and development tax credit	(1.40%)
Domestic production activities deduction	(1.50%)	(0.40%)
Foreign rate differences	(2.30%)	(3.30%)
Foreign tax incentives	(4.80%)	(9.30%)
Other	(0.20%)	0.10%
Effective income tax rate for income from continuing operations	31.50%	27.80%