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Income Taxes (Tables) | 3 Months Ended
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Mar. 31, 2013
Income Taxes [Abstract] |
Schedule Of Effective Income Tax Rate For Continuing Operations |
| Percent of Income |
| Before Income Taxes |
| for Continuing Operations |
Three Months Ended March 31 | 2013 |  | 2012 |
Income taxexpense at federal statutory rate | 35.0 |  | 35.0 |
State taxes, net of federal income taxbenefit | 1.8 |  | .9 |
Valuation allowance for foreign operating loss |  |  |  |
carry-forwards | 1.8 |  | - |
Non-deductible expenses | .6 |  | .3 |
Reversal of income taxcontingency accruals and tax |  |  |  |
settlements | .6 |  | - |
Unremitted earnings from foreign operations | .5 |  | 1.7 |
Valuation allowance for capital loss carry-forwards | (.3 | ) | 7.8 |
Domestic Production Activity Deduction | (1.4 | ) | - |
Foreign rate differences | (2.2 | ) | (2.1 | )
Research and development taxcredit | (2.7 | ) | - |
Foreign taxincentive | (5.0 | ) | (8.7 | )
Other | (.4 | ) | (.1 | )
Effective income taxrate for continuing operations | 28.3 |  | 34.8 |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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