Note 11 - Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2018

Compensation And Retirement Disclosure [Abstract]

Schedule of Components of Net Periodic Benefit (Credit)/Cost

The components of net periodic benefit (credit)/cost for the Company’s domestic pension plan (which was frozen in 2007) for the three and six months ended June 30, 2018 and 2017 were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Components of net periodic benefit (credit)/cost
Interest cost	$	511		$	554		$	1,021		$	1,108
Expected return on plan assets		(792	)		(677	)		(1,584	)		(1,354	)
Recognized actuarial loss		180			200			359			400
Net periodic benefit (credit)/cost	$	(101	)	$	77		$	(204	)	$	154

The components of net periodic benefit cost for the Company’s international pension plan for the three and six months ended June 30, 2018 and 2017 were as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2018			2017			2018			2017
Components of net periodic benefit cost
Service cost	$	253		$	228		$	523		$	453
Interest cost		182			178			376			353
Recognized actuarial loss		96			88			199			174
Amortization of prior service credit		(1	)		(1	)		(2	)		(2	)
Net periodic benefit cost	$	530		$	493		$	1,096		$	978