Accumulated Other Comprehensive Income (Reclassification Out Of Accumulated Other Comprehensive Income) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Sales	$ 52,776	$ 48,742	$ 142,631	$ 127,076
Income tax (benefit) expense	(814)	617	(1,782)	1,456
Amount reclassified net of tax			532
Reclassification Out Of Accumulated Other Comprehensive Income [Member]
Sales	337		832
Income tax (benefit) expense	121		300
Amount reclassified net of tax	$ 216		$ 532