Note 3 - Business Combinations (Details) - Components of Identifiable Intangible Assets (Cadeka [Member], USD $) In Thousands, unless otherwise specified	Sep. 29, 2013
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$ 20,380
Developed Technology Rights [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	15,720
In Process Research and Development [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	2,280
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	2,170
Trade Names [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Identifiable intangible assets	$ 210