Note 8 - Taxes on Income (Tax Benefits) (Detail) - Unrecognized Tax Benefits Reconciliation (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Balance at January 1,	$ 1,050	$ 1,672	$ 2,624
Reductions for tax positions of prior years		(238)
Lapse in statute of limitations	(1,162)	(406)	(1,076)
Foreign currency translation	26	(19)	47
Balance at December 31, total tax provision	3,170	1,050	1,672
Related to Acquisitions [Member]
Additions for tax positions of prior years	3,145
Not Related to Acquisitions [Member]
Additions for tax positions of prior years	$ 111	$ 41	$ 77