Note 5 - Retirement Plans

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

5.     Retirement Plans

The following table provides the components of net periodic benefit cost for our pension plans for the three-month and six-month periods ended June 30, 2014 and 2013, respectively (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2014			2013			2014			2013
Service cost	$	1,300		$	1,325		$	2,644		$	2,649
Interest cost		1,034			917			2,103			1,834
Expected return on plan assets		(1,057	)		(830	)		(2,151	)		(1,659	)
Loss amortization		244			742			496			1,484
Net periodic benefit cost	$	1,521		$	2,154		$	3,092		$	4,308

During the six-month period ended June 30, 2014, we contributed $2.7 million to our pension plans. During the remainder of the year ending December 31, 2014, we expect to contribute an additional $3.4 million to our pension plans.