v2.4.0.6
Document and Entity Information
3 Months Ended
Mar. 29, 2013
Apr. 29, 2013
Entity Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Mar. 29, 2013  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1  
Trading Symbol TRMB  
Entity Registrant Name TRIMBLE NAVIGATION LTD /CA/  
Entity Central Index Key 0000864749  
Current Fiscal Year End Date --12-27  
Entity Filer Category Large Accelerated Filer  
Entity Common Stock, Shares Outstanding   255,797,838