XML 39 R47.htm IDEA: XBRL DOCUMENT v2.4.1.9
Acquisitions - Pro Forma Financial Information, Nonrecurring Adjustments (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 30, 2012
Intangible amortization  
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]  
Net income (loss) adjustment, pro forma $ 16.2us-gaap_ProfitLoss
/ us-gaap_NonrecurringAdjustmentAxis
= ktos_AmortizationOfIntangibleAssetsAdjustmentMember
Net change in stock compensation expense  
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]  
Net income (loss) adjustment, pro forma $ 2.2us-gaap_ProfitLoss
/ us-gaap_NonrecurringAdjustmentAxis
= ktos_AllocatedShareBasedCompensationExpenseAdjustmentMember
Increase in weighted average common shares outstanding for shares issued and not already included in the weighted average common shares outstanding  
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]  
Weighted average number of basic shares outstanding adjustment, pro forma 9.6us-gaap_WeightedAverageNumberBasicSharesOutstandingAdjustmentProForma
/ us-gaap_NonrecurringAdjustmentAxis
= us-gaap_CommonStockMember