CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) [Abstract]
Net (loss) earnings	$ (553)	$ 876
Other comprehensive (loss) income:
Currency translation adjustment, net of taxes of ($221) and $0, respectively	(1,413)	415
Unrealized holding gains on marketable securities arising during the period, net of taxes of $52 and $13, respectively	85	26
Change in unfunded SERP liability, net of taxes of ($27) and $18, respectively	(61)	40
Other comprehensive (loss) income	(1,389)	481
Comprehensive (loss) income	$ (1,942)	$ 1,357