Note 11 - Retirement Plans

9 Months Ended

Sep. 30, 2016

Notes to Financial Statements

Pension and Other Postretirement Benefits Disclosure [Text Block]

(11) Retirement Plans

Domestic Pension Plan

The components of net periodic benefit cost for the Company’s domestic pension plan (which was frozen in 2007) for the three and nine months ended September 30, 2016 and 2015 were as follows:

	Three months ended						Nine months ended
	September 30,						September 30,
	2016			2015			2016			2015
Components of net periodic benefit cost
Interest cost	$	597		$	608		$	1,792		$	1,823
Expected return on plan assets		(662	)		(718	)		(1,986	)		(2,153	)
Recognized actuarial loss		194			202			582			608
Net periodic benefit cost	$	129		$	92		$	388		$	278

The Company’s Supplemental Executive Retirement Plan (which was frozen in 2007) is non-qualified and unfunded. Net periodic benefit cost for the three months ended September 30, 2016 and 2015 were $65 and $59, respectively. Net periodic benefit cost for the nine months ended September 30, 2016 and 2015 were $194 and $177, respectively.

International Pension Plan

The components of net periodic benefit cost for the Company’s international pension plan for the three and nine months ended September 30, 2016 and 2015 were as follows:

	Three months ended						Nine months ended
	September 30,						September 30,
	2016			2015			2016			2015
Components of net periodic benefit cost
Service cost	$	186		$	193		$	561		$	585
Interest cost		186			146			560			442
Recognized actuarial loss		49			83			147			249
Amortization of prior service benefit		(1	)		(2	)		(3	)		(5	)
Net periodic benefit cost	$	420		$	420		$	1,265		$	1,271