Goodwill and Other Intangible Assets (Schedule of Changes in Intangible Assets and Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Amortized intangible assets:
Beginning balance	$ 616
Amortization	(173)
Currency Translation
Ending balance	443
Goodwill
Beginning balance	78,890
Amortization
Currency translation	(4,868)
Ending balance	74,022
AEC Trade Names [Member]
Amortized intangible assets:
Beginning balance	33
Amortization	(4)
Currency Translation
Ending balance	29
AEC Customer Contracts [Member]
Amortized intangible assets:
Beginning balance	404
Amortization	(151)
Currency Translation
Ending balance	253
AEC Technology [Member]
Amortized intangible assets:
Beginning balance	179
Amortization	(18)
Currency Translation
Ending balance	$ 161