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Note 6 - Property and Equipment (Details) - Property and Equipment Summary (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2014
Dec. 29, 2013
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 488,303us-gaap_PropertyPlantAndEquipmentGross $ 491,629us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation (260,956)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (260,784)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
227,347us-gaap_PropertyPlantAndEquipmentNet [1] 230,845us-gaap_PropertyPlantAndEquipmentNet [1]
Land [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 15,862us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
17,290us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LandMember
Building [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 124,476us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
123,032us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 347,965us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
$ 351,307us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
[1] Long-lived assets include tangible assets physically located in foreign countries.