Income Taxes (Periods Subject To Examination Of Tax Returns) (Details)	12 Months Ended
	Dec. 31, 2021
Minimum [Member] | US Federal [Member]
Period	2017
Minimum [Member] | US State - Colorado [Member]
Period	2017
Minimum [Member] | US State - Missouri [Member]
Period	2019
Minimum [Member] | US State - West Virginia [Member]
Period	2019
Minimum [Member] | Canada [Member]
Period	2006
Minimum [Member] | Mauritius [Member]
Period	2018
Minimum [Member] | Poland [Member]
Period	2016
Minimum [Member] | Austria [Member]
Period	2016
Maximum [Member] | US Federal [Member]
Period	2020
Maximum [Member] | US State - Colorado [Member]
Period	2020
Maximum [Member] | US State - Missouri [Member]
Period	2020
Maximum [Member] | US State - West Virginia [Member]
Period	2020
Maximum [Member] | Canada [Member]
Period	2020
Maximum [Member] | Mauritius [Member]
Period	2020
Maximum [Member] | Poland [Member]
Period	2020
Maximum [Member] | Austria [Member]
Period	2020