Note 7 - Goodwill and Other Intangible Assets, Net Schedule of Finite Lived Assets Future Amortization (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Amortization of Intangible Assets	$ 11,800	$ 13,200	$ 13,000
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	10,316
Finite-Lived Intangible Assets, Amortization Expense, Year Two	8,790
Finite-Lived Intangible Assets, Amortization Expense, Year Three	7,412
Finite-Lived Intangible Assets, Amortization Expense, Year Four	5,833
Finite-Lived Intangible Assets, Amortization Expense, Year Five	5,081
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	15,858
Finite-Lived Intangible Assets, Net	$ 53,290	$ 81,058