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Property and Equipment, Net - Summary of Property and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Sep. 27, 2014
Jun. 28, 2014
Mar. 29, 2014
Dec. 31, 2013
Sep. 28, 2013
Jun. 29, 2013
Mar. 30, 2013
Property, Plant and Equipment [Line Items]                
Land 15,006us-gaap_Land       $ 14,669us-gaap_Land      
Buildings and improvements 45,636us-gaap_BuildingsAndImprovementsGross       44,971us-gaap_BuildingsAndImprovementsGross      
Machinery and equipment 131,263us-gaap_MachineryAndEquipmentGross       128,344us-gaap_MachineryAndEquipmentGross      
Furniture and equipment 25,975dco_FurnitureAndEquipmentGross       26,088dco_FurnitureAndEquipmentGross      
Construction in progress 9,645us-gaap_ConstructionInProgressGross       9,085us-gaap_ConstructionInProgressGross      
Property, Plant and Equipment, Gross, Total 227,525us-gaap_PropertyPlantAndEquipmentGross       223,157us-gaap_PropertyPlantAndEquipmentGross      
Less accumulated depreciation 128,457us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment       127,067us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment      
Total 99,068us-gaap_PropertyPlantAndEquipmentNet $ 93,181us-gaap_PropertyPlantAndEquipmentNet $ 94,070us-gaap_PropertyPlantAndEquipmentNet $ 94,168us-gaap_PropertyPlantAndEquipmentNet $ 96,090us-gaap_PropertyPlantAndEquipmentNet $ 93,840us-gaap_PropertyPlantAndEquipmentNet $ 95,602us-gaap_PropertyPlantAndEquipmentNet $ 97,005us-gaap_PropertyPlantAndEquipmentNet
Minimum | Building Improvements                
Property, Plant and Equipment [Line Items]                
Useful life (in years) 5 years              
Minimum | Machinery and Equipment                
Property, Plant and Equipment [Line Items]                
Useful life (in years) 2 years              
Minimum | Furniture and Fixtures                
Property, Plant and Equipment [Line Items]                
Useful life (in years) 2 years              
Maximum | Building Improvements                
Property, Plant and Equipment [Line Items]                
Useful life (in years) 40 years              
Maximum | Machinery and Equipment                
Property, Plant and Equipment [Line Items]                
Useful life (in years) 20 years              
Maximum | Furniture and Fixtures                
Property, Plant and Equipment [Line Items]                
Useful life (in years) 10 years