v2.4.0.8
Document and Entity Information
6 Months Ended
Jun. 28, 2015
Jul. 31, 2015
Document And Entity Information    
Entity Registrant Name KRATOS DEFENSE & SECURITY SOLUTIONS, INC.  
Entity Central Index Key 0001069258  
Current Fiscal Year End Date --12-27  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jun. 28, 2015  
Document Fiscal Year Focus 2015  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   59,004,735