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, 2013
Amortized intangible assets:
Beginning balance	$ 848
Amortization	(174)
Currency Translation
Ending balance	674
Goodwill
Beginning balance	76,522
Amortization
Currency translation	1,428
Ending balance	77,950
Machine Clothing [Member]
Goodwill
Ending balance	78,000
AEC Trade Names [Member]
Amortized intangible assets:
Beginning balance	38
Amortization	(4)
Currency Translation
Ending balance	34
AEC Customer Contracts [Member]
Amortized intangible assets:
Beginning balance	606
Amortization	(152)
Currency Translation
Ending balance	454
AEC Technology [Member]
Amortized intangible assets:
Beginning balance	204
Amortization	(18)
Currency Translation
Ending balance	$ 186