Note 4 - Retirement Plans

3 Months Ended

Mar. 31, 2014

Compensation and Retirement Disclosure [Abstract]

Pension and Other Postretirement Benefits Disclosure [Text Block]

4.     Retirement Plans

The following table provides the components of net periodic benefit cost for our pension plans for the three- month periods ended March 31, 2014 and 2013, respectively (in thousands):

	Three Months Ended March 31,
	2014			2013
Service cost	$	1,345		$	1,325
Interest cost		1,070			917
Expected return on plan assets		(1,094	)		(830	)
Loss amortization		252			742
Net periodic benefit cost	$	1,573		$	2,154

During the three months ended March 31, 2014, we contributed $1.0 million to our pension plans. During the remainder of 2014, we expect to contribute an additional $5.1 million to our pension plans.