Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Net income (loss)	$ 1,093	$ 3,890	$ (107)	$ 5,793
Other comprehensive income, net of taxes:
Translation adjustment	200	1,246	(190)	1,453
Derivative fair value adjustment (Note A)	(48)	(258)	196	(258)
Effect of retirement benefit obligations	14	11	40	(677)
Other comprehensive income, net of taxes:	166	999	46	518
Comprehensive income (loss)	$ 1,259	$ 4,889	$ (61)	$ 6,311