Goodwill And Intangible Assets Goodwill And Intangible Assets (Intangible Assets Subject To Amortization) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Estimated future amortization expense in year 2015	$ 56,349
Estimated future amortization expense in year 2016	50,380
Estimated future amortization expense in year 2017	42,081
Estimated future amortization expense in year 2018	28,940
Estimated future amortization expense in year 2019	22,137
Estimated future amortization expense thereafter	79,102
Finite-Lived Intangible Assets, Net	278,989	190,722
Patents And Patent Licenses [Member]
Finite-Lived Intangible Assets, Net	$ 24,927	$ 28,530