Restructuring (Summary Of Restructuring Activity) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	$ 612
Charges	430
Payments/settlements	(1,028)
Balance at end of period	14
Termination Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	163
Charges	359
Payments/settlements	(522)
Facility Costs And Contract Termination [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	65
Charges	71
Payments/settlements	(122)
Balance at end of period	14
Inventory Charges [Member]
Restructuring Cost and Reserve [Line Items]
Balance at beginning of period	384
Payments/settlements	$ (384)