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Income Taxes (Schedule Of Uncertain Tax Position Liability And Liability For Interest And Penalties On Uncertain Tax Positions) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Income Taxes [Abstract] |  |  |
Beginning balance | $ 3,889 | $ 4,328 | $ 3,390
Increases related to current year tax positions | 691 | 368 | 143
Decreases due to the lapsing of statutes of limitations | (880) | (467) | (254)
Decreases related to prior year tax positions | (154) |  | (106)
(Decreases) increases for foreign exchange differences | (22) |  |
(Decreases) increases for foreign exchange differences |  | 16 |
(Decreases) Increases related to prior year tax positions |  | 249 | 1,155
(Decreases) increases related to prior year tax positions | (1) |  |
Decreases related to settlements |  | (605) |
Ending balance | 3,523 | 3,889 | 4,328
Beginning Balance | 402 | 315 | 208
Accrual of interest and penalties | 227 | 161 | 169
Decreases related to prior year tax positions | (195) | (74) | (62)
Ending Balance | $ 434 | $ 402 | $ 315

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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