CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (Unaudited) [Abstract]
Net earnings	$ 1,507	$ 7,380	$ 7,075	$ 8,511
Other comprehensive (loss) income:
Currency translation adjustment, net of taxes of ($181), $212, ($57) and ($4), respectively	(6,791)	1,801	(6,254)	619
Reclassification adjustment for gain on sale of marketable securities included in net earnings, net of tax of $0, ($37), $0 and ($37)	0	(61)	0	(61)
Unrealized holding (losses) gains on marketable securities arising during the period, net of taxes of ($7), $28, $58 and $17, respectively	(12)	46	95	27
Change in unfunded SERP liability, net of taxes of $14, $24, $42 and $20, respectively	32	53	95	46
Other comprehensive (loss) income	(6,771)	1,839	(6,064)	631
Comprehensive (loss) income	$ (5,264)	$ 9,219	$ 1,011	$ 9,142