Income Taxes (Schedule Of Effective Income Tax Rate For Continuing Operations) (Details)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Income Tax Disclosure [Abstract]
Income tax expense at federal statutory rate	35.00%	35.00%
State taxes, net of federal income tax benefit	2.10%	1.80%
Reversal of income tax contingency accruals and tax settlements	1.50%	0.60%
Unremitted earnings from foreign operations	1.10%	0.50%
Valuation allowance for capital loss carry-forwards	0.30%	(0.30%)
Non-deductible expenses	0.20%	0.60%
Changes in estimates related to prior year tax provision	0.20%	(0.20%)
Research and development tax credit	0.00%	(2.70%)
Valuation allowance for foreign operating loss carry-forwards	(0.40%)	1.80%
Foreign rate differences	(1.10%)	(2.20%)
Domestic production activities deduction	(1.60%)	(1.40%)
Foreign tax incentives	(2.00%)	(5.00%)
Other	(0.10%)	(0.20%)
Effective income tax rate for income from continuing operations	35.20%	28.30%