XML 34 R47.htm IDEA: XBRL DOCUMENT v2.4.0.8
Goodwill and Other Identifiable Intangible Assets (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Patents [Line Items]      
Patents, weighted average useful life 7 years    
Payments to acquire intangible assets $ 25,061,000 $ 178,260,000 $ 14,680,000
Accrued patent acquisition related payments 4,000,000    
Accelerated amortization expense 592,000 10,574,000 3,111,000
Accelerated amortization expense (termination) 1,747,000 3,034,000 1,103,000
Impairment of Intangible Assets (Excluding Goodwill) $ 4,619,000    
Minimum [Member]
     
Patents [Line Items]      
Patents, useful life 1 year    
Acquired Finite Lived Intangible Asset, Useful Life 3 years    
Maximum [Member]
     
Patents [Line Items]      
Patents, useful life 10 years    
Acquired Finite Lived Intangible Asset, Useful Life 10 years    
Patents [Member] | Minimum [Member]
     
Patents [Line Items]      
Patents, useful life 1 year    
Patents [Member] | Maximum [Member]
     
Patents [Line Items]      
Patents, useful life 10 years