Note 3 - Business Combination Level 4 (Details) - Business Combination, Textuals (USD $) In Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2011		Jun. 30, 2010		Jun. 30, 2011		Jun. 30, 2010
Business Acquisition [Line Items]
Pro Forma results of operations not presented, impact to results of operations not material					0
Goodwill deductible for income tax purposes	$ 0				$ 0
Acquisition-related costs within operating expenses and cost of revenues	$ 4.2	[1]	$ 0.5	[1]	$ 9.3	[1]	$ 0.5	[1]

[1] (2)Amount includes acquisition-related costs in operating expenses and in cost of revenues.