Note 11 - Defined Benefit Pension Plans (Details) - Net Periodic Benefit Cost (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Net Periodic Benefit Cost [Abstract]
Interest cost	$ 780	$ 720	$ 2,324	$ 2,226
Expected return on plan assets	(933)	(726)	(2,487)	(2,178)
Recognized actuarial loss	163	228	455	618
Net expense	$ 10	$ 222	$ 292	$ 666