Note 8 - Taxes on Income (Tax Benefits) (Detail) - Provisions (Benefits) for Taxes on Income (Tax Benefit) from Continuing Operations (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current:
Federal	$ 948	$ 5,361	$ 2,745
Foreign	8,878	8,051	8,280
State	316	1,435	1,132
Subtotal	10,142	14,847	12,157
Deferred:
Federal	(1,700)	6,768	1,094
Foreign	492	832	(1,416)
State	(1,369)	593	726
Subtotal	(2,577)	8,193	404
Total tax provision	$ 7,565	$ 23,040	$ 12,561