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Note 8 - Accrued Retirement Benefits (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

		June 30				December 31,
		2018				2017
		(in thousands)
Defined benefit pension plans		$	5,600			$	5,812
Non-qualified retirement plans			2,254				2,219
Total			7,854				8,031
Less current portion			(169	)			(164	)
Non-current portion of accrued retirement benefits		$	7,685			$	7,867

Schedule of Net Benefit Costs [Table Text Block]

		Three Months								Six Months
		Ended June 30,								Ended June 30,
		2018				2017				2018				2017
		(in thousands)								(in thousands)
Interest cost		$	495			$	560			$	990			$	1,120
Expected return on plan assets			(578	)			(562	)			(1,156	)			(1,124	)
Amortization of net loss			185				204				370				408
Pension and other postretirement expenses		$	102			$	202			$	204			$	404

X

- Definition

Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

+ References

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- Definition

Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments.

+ References

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