Note 9 - Defined Benefit Pension Programs (Details) - Net Periodic Pension Cost: (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Net Periodic Pension Cost: [Abstract]
Interest cost on projected benefit obligation	$ 834	$ 997	$ 1,802	$ 1,995
Expected return on plan assets	(1,247)	(1,197)	(2,694)	(2,394)
Recognized actuarial loss	477	424	992	848
Net periodic pension expense	$ 64	$ 224	$ 100	$ 449