Note 8 - Taxes on Income (Tax Benefits) Net Deferred Taxes (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred income tax assets:
Foreign tax credit carryforwards	$ 535	$ 88
Net operating loss carryforwards	17,146	17,225
Accrued expenses	13,517	10,443
Other	8,158	8,394
Total gross deferred income tax assets	39,356	36,150
Less valuation allowance	(7,797)	(6,574)
Net deferred income tax assets	31,559	29,576
Deferred income tax liabilities:
Property, plant and equipment	(12,901)	(14,051)
Intangible assets	(34,983)	(33,715)
Undistributed foreign earnings	(7,051)	(7,051)
Other	(7,548)	(8,579)
Total deferred income tax liabilities	(62,483)	(63,396)
Net deferred income tax liabilities	(30,924)	(33,820)
Current deferred income tax assets, net	4,640	3,975
Current deferred income tax liabilities, net	(4,304)	(5,994)
Noncurrent deferred income tax assets, net	6,957	7,989
Noncurrent deferred income tax liabilities, net	$ (38,217)	$ (39,790)