Re-Organization And Restructure Charge (Summary Of Severance And Relocation Accruals) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Balance, June 30, 2012
Cost incurred	217	217
Payments made	171
Balance, September 30, 2012	46	46
Severance [Member]
Restructuring Cost and Reserve [Line Items]
Balance, June 30, 2012
Cost incurred	153
Payments made	122
Balance, September 30, 2012	31	31
Relocation [Member]
Restructuring Cost and Reserve [Line Items]
Balance, June 30, 2012
Cost incurred	64
Payments made	49
Balance, September 30, 2012	$ 15	$ 15