XML 46 R36.htm IDEA: XBRL DOCUMENT v2.4.0.6
Acquisitions (Details) (USD $)
 1 Months Ended 9 Months Ended
Feb. 29, 2012
Unity
Feb. 03, 2012
Unity
Sep. 30, 2012
Other business acquisitions
Item
Patent
Business acquisitions      
Retention bonus payable to Unity employees   $ 5,000,000  
Retention bonus payable to Unity employees (in years) 3 years    
Cash deposited into escrow account   5,500,000  
Related transaction costs   600,000  
Cash   182,000  
Property and equipment   51,000  
Other tangible assets   36,000 1,000,000
Identified intangible assets   19,280,000 4,100,000
Goodwill   15,451,000 8,100,000
Total purchase price   $ 35,000,000 $ 13,200,000
Estimated average useful life (in years) for intangible assets 10 years   6 years
Number of businesses acquired     1
Number of patent and technology acquisitions     2