Note 11 - Pensions (Detail) - Components of Net Periodic Benefit Cost (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jul. 02, 2011	Jun. 30, 2012	Jul. 02, 2011
United States Pension Plans of US Entity, Defined Benefit [Member]
Service cost	$ 150	$ 155	$ 300	$ 280
Interest cost	1,241	1,282	2,481	2,555
Expected return on plan assets	(1,655)	(1,631)	(3,310)	(3,259)
Amortization of net (gain) loss	84	195	169	374
Total cost (credit) of the plan	(180)	1	(360)	(50)
Net periodic benefit cost (credit)	(180)	1	(360)	(50)
Foreign Pension Plans, Defined Benefit [Member]
Service cost	191	153	383	306
Interest cost	196	182	391	364
Expected return on plan assets	(121)	(121)	(242)	(242)
Amortization of prior service cost		(1)		(1)
Amortization of net (gain) loss	17	8	34	15
Total cost (credit) of the plan	283	221	566	442
Net periodic benefit cost (credit)	$ 283	$ 221	$ 566	$ 442