Note 6 - Benefit Plans (Tables)

6 Months Ended

Jul. 01, 2017

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	For the Three Months Ended						For the Six Months Ended
(in thousands)	July 1, 201 7			July 2 , 201 6			July 1, 201 7			July 2, 2016
Components of net periodic benefit cost:
Service cost	$	408		$	333		$	816		$	665
Interest cost		360			496			720			993
Expected return on plan assets		(476	)		(520	)		(952	)		(1,040	)
Amortization of prior service (credit)		84			73			168			146
Total cost of the plan		376			382			752			764
Expected plan participants ’ contribution		—			—			—			—
Net periodic benefit cost	$	376		$	382		$	752		$	764