| 
           Goodwill and Other Intangible Assets (Schedule of Other Intangible Assets) (Details) (USD $) 
        In Thousands, unless otherwise specified  | 
        9 Months Ended | |
|---|---|---|
| 
           Sep. 30, 2014 
         | 
        
           Dec. 31, 2013 
         | 
      |
| Intangible assets, gross | $ 754,707 | $ 712,569 | 
| Accumulated amortization | 147,045 | 90,239 | 
| Net book value of amortizable intangible assets | 607,662 | 622,330 | 
| 
           Developed technology [Member] 
         | 
        ||
| Finite-lived intangible assets | 472,792 | 447,842 | 
| Accumulated amortization | 91,886 | 54,029 | 
| 
           Patents [Member] 
         | 
        ||
| Finite-lived intangible assets | 15,018 | 14,065 | 
| Accumulated amortization | 7,727 | 6,523 | 
| 
           Trademarks and trade names [Member] 
         | 
        ||
| Finite-lived intangible assets | 59,988 | 59,019 | 
| Accumulated amortization | 8,085 | 3,817 | 
| 
           Customer relationships [Member] 
         | 
        ||
| Finite-lived intangible assets | 146,690 | 100,679 | 
| Accumulated amortization | 21,876 | 10,793 | 
| 
           Non-compete agreement [Member] 
         | 
        ||
| Finite-lived intangible assets | 10,843 | 10,354 | 
| Accumulated amortization | 3,266 | 1,249 | 
| 
           Capitalized software development costs [Member] 
         | 
        ||
| Finite-lived intangible assets | 17,137 | 16,612 | 
| Accumulated amortization | 14,205 | 13,828 | 
| 
           In-process research and development [Member] 
         | 
        ||
| Indefinited lived intangible assets | 32,239 | 63,998 | 
| Accumulated amortization | ||
| 
           Research and development, developed technology [Member] 
         | 
        ||
| Finite-lived intangible assets | $ 23,700 | $ 29,200 | 
| Useful life | 7 years |