v2.4.0.8
Document and Entity Information
9 Months Ended
Oct. 02, 2015
Nov. 05, 2015
Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Oct. 02, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q3  
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   250,481,619