Goodwill And Other Intangible Assets (Schedule Of Other Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 45,516	$ 29,961
Accumulated Amortization	22,065	18,724
Net Carrying Amount	23,451	11,237
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	33,348	17,793
Accumulated Amortization	12,900	10,702
Net Carrying Amount	20,448	7,091
Technology Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,300	11,300
Accumulated Amortization	8,999	7,880
Net Carrying Amount	2,301	3,420
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	868	868
Accumulated Amortization	166	142
Net Carrying Amount	$ 702	$ 726