Description Of Business And Basis Of Presentation (Schedule Of Exchange Rates To US Dollar) (Details)	Mar. 31, 2022	Dec. 31, 2021
Canadian Dollar (CAD) [Member]
Currency [Line Items]
Ending Rates	1.2517	1.2575
Euros (EUR) [Member]
Currency [Line Items]
Ending Rates	0.8955	0.8520
Polish Zloty (PLN) [Member]
Currency [Line Items]
Ending Rates	4.1599	3.9564

Foreign exchange rate used to translate amounts denominated in functional currency to reporting currency.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6897108&loc=SL6897125-166521

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 30
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32618-110901

Name:	us-gaap_ForeignCurrencyExchangeRateTranslation1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant