Current report of foreign issuer pursuant to Rules 13a-16 and 15d-16 Amendments

Goodwill and Other Intangible Assets (Schedule of Other Intangible Assets) (Details)

v3.5.0.2
Goodwill and Other Intangible Assets (Schedule of Other Intangible Assets) (Details) - USD ($)
$ in Thousands
Jun. 30, 2016
Dec. 31, 2015
Carrying Amount, Net of Impairment $ 499,011 $ 499,734
Accumulated Amortization (276,687) (247,266)
Net Book Value 222,324 252,468
Developed technology [Member]    
Carrying Amount, Net of Impairment 304,754 306,657
Accumulated Amortization (178,339) (157,862)
Net Book Value 126,415 148,795
Patents [Member]    
Carrying Amount, Net of Impairment 18,606 17,785
Accumulated Amortization (10,953) (10,008)
Net Book Value 7,653 7,777
Trademarks and trade names [Member]    
Carrying Amount, Net of Impairment 32,506 32,443
Accumulated Amortization (15,677) (14,463)
Net Book Value 16,829 17,980
Customer relationships [Member]    
Carrying Amount, Net of Impairment 116,087 115,957
Accumulated Amortization (48,035) (41,708)
Net Book Value 68,052 74,249
Non-compete agreements [Member]    
Carrying Amount, Net of Impairment 5,874 5,874
Accumulated Amortization (5,874) (5,874)
Net Book Value
Capitalized software development costs [Member]    
Carrying Amount, Net of Impairment 20,176 20,010
Accumulated Amortization (17,809) (17,351)
Net Book Value 2,367 2,659
In process research and development [Member]    
Carrying Amount, Net of Impairment 1,008 1,008
Accumulated Amortization
Net Book Value $ 1,008 $ 1,008