Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2016
Feb. 17, 2017
Jul. 02, 2016
Document And Entity Information [Abstract]      
Entity Registrant Name SUN HYDRAULICS CORP    
Entity Central Index Key 0001024795    
Current Fiscal Year End Date --01-02    
Entity Filer Category Large Accelerated Filer    
Document Type 10-K    
Document Period End Date Dec. 31, 2016    
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus FY    
Trading Symbol SNHY    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Amendment Flag false    
Entity Public Float     $ 686,152,559
Entity Common Stock, Shares Outstanding   26,940,399