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, 2012	Dec. 31, 2011	Dec. 31, 2010
Current:
Federal	$ 8,335	$ 948	$ 5,361
Foreign	9,704	8,878	8,051
State	635	316	1,435
Subtotal	18,674	10,142	14,847
Deferred:
Federal	(1,841)	(1,700)	6,768
Foreign	69	492	832
State	571	(1,369)	593
Subtotal	(1,201)	(2,577)	8,193
Total tax provision	$ 17,473	$ 7,565	$ 23,040