Product Warranty (Tables)

9 Months Ended

Sep. 30, 2013

Product Warranty [Abstract]

Activities in the product warranty accounts

As the Company recognizes revenue under the percentage-of-completion method, it provides an accrual for estimated future warranty costs based on historical experience and projected claims.  The activity in the warranty account is as follows:

(in thousands)
Balance at December 31, 2012	$	2,107
Warranty provision		529
Warranty claims		(798	)
Currency adjustment		3
Balance at September 30, 2013	$	1,841