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Description Of Business And Basis Of Presentation (Average Exchange Rates) (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2012 item	Sep. 30, 2011 item	Sep. 30, 2012 item	Sep. 30, 2011 item
Canadian Dollar [Member]
Description Of Business And Basis Of Presentation [Line Items]
Average exchange rate	0.9951	0.9797	1.0023	0.9778
Change in average foreign currency rate	(1.60%)		(2.50%)
Euros [Member]
Description Of Business And Basis Of Presentation [Line Items]
Average exchange rate	0.7990	0.7077	0.7805	0.7113
Change in average foreign currency rate	(12.90%)		(9.70%)
Polish Zloty [Member]
Description Of Business And Basis Of Presentation [Line Items]
Average exchange rate	3.3019	2.9369	3.2822	2.8576
Change in average foreign currency rate	(12.40%)		(14.90%)