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Acquisitions (Beginning Balance of Cymetrix Intangible Assets) (Details) (Cymetrix [Member], USD $)
In Thousands, unless otherwise specified
0 Months Ended 3 Months Ended 0 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended
May 14, 2014
Jun. 30, 2014
May 14, 2014
Trade Names [Member]
Jun. 30, 2014
Trade Names [Member]
May 14, 2014
Customer Lists and Relationships [Member]
Jun. 30, 2014
Customer Lists and Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]            
Useful Life       4 years   8 years 3 months 18 days
Amount $ 18,000 $ 18,000 $ 1,900   $ 16,100