CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 26, 2023
Statement of Comprehensive Income [Abstract]
Net income (loss) from consolidated operations	$ 1.3	$ (5.8)
Change in unrealized cash flow hedge (net of taxes of $0.4 million for the three month period ended March 31, 2024)	1.3	0.0
Change in cumulative translation adjustment	(0.9)	0.3
Comprehensive income (loss) from consolidated operations	1.7	(5.5)
Less: Comprehensive income attributable to noncontrolling interest	0.0	1.2
Comprehensive income (loss) attributable to Kratos	$ 1.7	$ (6.7)