Goodwill and Other Intangible Assets (Schedule of Changes in Intangible Assets and Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014
Amortized intangible assets:
Beginning balance	$ 616
Amortization	(115)
Currency Translation
Ending balance	501
Goodwill
Beginning balance	78,890
Amortization
Currency translation	(255)
Ending balance	78,635
AEC Trade Names [Member]
Amortized intangible assets:
Beginning balance	33
Amortization	(2)
Currency Translation
Ending balance	31
AEC Customer Contracts [Member]
Amortized intangible assets:
Beginning balance	404
Amortization	(101)
Currency Translation
Ending balance	303
AEC Technology [Member]
Amortized intangible assets:
Beginning balance	179
Amortization	(12)
Currency Translation
Ending balance	$ 167