Goodwill And Intangible Assets Goodwill And Intangible Assets (Intangible Assets Subject To Amortization) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Estimated future amortization expense in year 2013	$ 22,109
Estimated future amortization expense in year 2014	19,791
Estimated future amortization expense in year 2015	17,970
Estimated future amortization expense in year 2016	16,428
Estimated future amortization expense in year 2017	14,300
Estimated future amortization expense thereafter	41,906
Finite-Lived Intangible Assets, Net	132,504	64,496
Patents And Patent Licenses [Member]
Finite-Lived Intangible Assets, Net	$ 19,329	$ 17,517