Note 18 - Acquisition of Nora - Schedule of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 30, 2018	Aug. 07, 2018	Dec. 31, 2017
Goodwill, excess of purchase price	$ 245,815		$ 68,754
Nora [Member]
Assets acquired (excluding goodwill)		$ 359,335
Liabilities assumed		(96,868)
Net assets acquired		262,467
Purchase price		447,192
Goodwill, excess of purchase price	$ 184,700	$ 184,725

Amount of assets acquired at the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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