Quarterly report pursuant to Section 13 or 15(d)

Fair Value (Details Textual)

v2.4.0.6
Fair Value (Details Textual) (USD $)
In Millions, unless otherwise specified
6 Months Ended
Jun. 30, 2012
Fair Value (Textual) [Abstract]  
Revenue growth target period 5 years
Maximum [Member]
 
Fair Value (Textual) [Abstract]  
Contingent consideration on fair value liabilities 5.5
Test Systems [Member]
 
Fair Value (Textual) [Abstract]  
Unamortized trade names 0.4
Term of amortization 10 years
Total amortized intangible assets 3.9