Note 9 - Taxes on Income (Details) - Significant Components of Company's Deferred Tax Assets/ (Liabilities) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax liabilities:
Difference between book and tax bases of intangible assets	$ (249,251)	$ (45,592)
Property and equipment	(50,826)	(27,772)
Other comprehensive income items	(3,227)
Other		(1,245)
Total deferred tax liabilities	(303,304)	(74,609)
Deferred tax assets:
Employee benefits	78,503	1,761
Other comprehensive income items		681
Net operating losses	269,268	87,770
Minimum tax credit carryforwards and other	5,750	383
Total deferred tax assets	353,521	90,595
Net deferred tax assets	50,217	15,986
Current deferred tax assets	(7,506)	(1,647)
Deferred tax assets, long-term	$ 42,711	$ 14,339