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Description Of Business And Basis Of Presentation (Average Exchange Rates) (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Canadian Dollar (CAD) [Member]
Currency [Line Items]
Average Rates	1.2286	1.3863	1.2476	1.3646
Average Rates % Change	11.40%		8.60%
Euros (EUR) [Member]
Currency [Line Items]
Average Rates	0.8302	0.9085	0.8299	0.9080
Average Rates % Change	8.60%		8.60%
Polish Zloty (PLN) [Member]
Currency [Line Items]
Average Rates	3.7627	4.0959	3.7660	4.0090
Average Rates % Change	8.10%		6.10%
British Pound (GBP) [Member]
Currency [Line Items]
Average Rates	0.7156	0.8060	0.7205	0.7938
Average Rates % Change	11.20%		9.20%

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