v2.4.0.8
Document and Entity Information
6 Months Ended
Jul. 03, 2015
Aug. 07, 2015
Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jul. 03, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q2  
Trading Symbol TRMB  
Entity Registrant Name TRIMBLE NAVIGATION LTD /CA/  
Entity Central Index Key 0000864749  
Current Fiscal Year End Date --01-02  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   257,048,584