v2.4.0.6
Document and Entity Information
6 Months Ended
Jun. 24, 2012
Jul. 27, 2012
Document And Entity Information    
Entity Registrant Name KRATOS DEFENSE & SECURITY SOLUTIONS, INC.  
Entity Central Index Key 0001069258  
Current Fiscal Year End Date --12-30  
Entity Filer Category Accelerated Filer  
Document Type 10-Q  
Document Period End Date Jun. 24, 2012  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2  
Amendment Flag false  
Entity Current Reporting Status Yes  
Entity Common Stock, Shares Outstanding   56,528,337