CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 28, 2025	Dec. 29, 2024	Dec. 31, 2023
Total revenues	$ 1,346.8	$ 1,136.3	$ 1,037.1
Total costs	1,038.9	849.1	768.5
Gross profit	307.9	287.2	268.6
Selling, general and administrative expenses	240.2	217.2	198.7
Merger and acquisition related items	2.1	0.7	0.4
Research and development expenses	40.0	40.3	38.4
Operating income	25.6	29.0	31.1
Other income (expense):
Interest income (expense), net	5.9	(3.0)	(20.5)
Other income (expense), net	2.5	0.5	0.5
Total other income (expense), net	8.4	(2.5)	(20.0)
Income before income taxes	34.0	26.5	11.1
Provision for income taxes	12.0	10.2	8.7
Net income from consolidated operations	22.0	16.3	2.4
Less: Net income attributable to noncontrolling interest	0.0	0.0	11.3
Net income (loss) attributable to Kratos	$ 22.0	$ 16.3	$ (8.9)
Basic income (loss) per common share attributable to Kratos (in dollars per share)	$ 0.14	$ 0.11	$ (0.07)
Diluted income (loss) per common share attributable to Kratos (in dollars per share)	$ 0.13	$ 0.11	$ (0.07)
Weighted average common shares outstanding:
Basic (in shares)	162.7	149.0	130.4
Diluted (in shares)	165.2	150.9	130.4
Service revenues
Total revenues	$ 469.0	$ 423.4	$ 402.6
Total costs	356.8	310.0	303.2
Product sales
Total revenues	877.8	712.9	634.5
Total costs	$ 682.1	$ 539.1	$ 465.3