Note 12 - Pensions (Detail) - Components of Net Periodic Benefit Cost (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
United States Pension Plans of US Entity, Defined Benefit [Member]
Service cost	$ 150	$ 140	$ 450	$ 420
Interest cost	1,240	1,277	3,721	3,832
Expected return on plan assets	(1,655)	(1,629)	(4,965)	(4,888)
Amortization of net (gain) loss	85	187	254	561
Total cost (credit) of the plan	(180)	(25)	(540)	(75)
Net periodic benefit cost (credit)	(180)	(25)	(540)	(75)
Foreign Pension Plans, Defined Benefit [Member]
Service cost	192	152	575	458
Interest cost	195	181	586	545
Expected return on plan assets	(120)	(120)	(362)	(362)
Amortization of prior service cost	(1)		(1)	(1)
Amortization of net (gain) loss	18	8	52	23
Total cost (credit) of the plan	284	221	850	663
Net periodic benefit cost (credit)	$ 284	$ 221	$ 850	$ 663