Note 9 - Pensions (Tables)

3 Months Ended

Mar. 28, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

	U.S. Plans						Foreign Plans
	Three Months Ended						Three Months Ended
	March 28, 2015			March 29, 2014			March 28, 2015			March 29 2014
Service cost	$	250		$	150		$	315		$	311
Interest cost		1,031			971			513			591
Expected return on plan assets		(916	)		(1,411	)		(600	)		(573	)
Amortization of net loss		290			137			61			48
Total cost of the plan		655			(153	)		289			377
Expected plan participants’contribution		—			—			—			—
Net periodic benefit cost	$	655		$	(153	)	$	289		$	377