Acquisitions Intangible Assets Fair Value and Weighted Average Life (Details) (MEI Conlux Holdings [Member], USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Finite Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles	$ 302
Trademarks and Trade Names [Member]
Finite Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles	7
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	6 years 8 months 12 days
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles	277
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	16 years 7 months 6 days
Order or Production Backlog [Member]
Finite Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles	5
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	3 months 18 days
Developed Technology Rights [Member]
Finite Lived Intangible Assets [Line Items]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangibles	$ 13
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	5 years 8 months 12 days