Description Of Business And Basis Of Presentation (Exchange Rates) (Details)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Canadian Dollar [Member]
Currency [Line Items]
Ending rates	1.3322		1.3427
Average Rates	1.3234	1.3732
Average Rates % Change	3.60%
Euros [Member]
Currency [Line Items]
Ending rates	0.9348		0.9476
Average Rates	0.9384	0.9065
Average Rates % Change	(3.50%)
Polish Zloty [Member]
Currency [Line Items]
Ending rates	3.9637		4.2065
Average Rates	4.0563	3.9556
Average Rates % Change	(2.50%)