CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 26, 2023	Mar. 27, 2022
Total revenues	$ 231.8	$ 196.2
Total costs	172.4	144.3
Gross profit	59.4	51.9
Selling, general and administrative expenses	47.8	43.3
Merger and acquisition expenses	0.0	0.3
Research and development expenses	10.2	9.2
Restructuring expenses and other	0.9	0.3
Operating income (loss)	0.5	(1.2)
Other expense:
Interest expense, net	(5.3)	(5.9)
Loss on extinguishment of debt	0.0	(13.0)
Other income (loss), net	(0.3)	0.1
Total other expense, net	(5.6)	(18.8)
Loss from continuing operations before income taxes	(5.1)	(20.0)
Provision (benefit) for income taxes from continuing operations	0.7	(4.3)
Loss from continuing operations	(5.8)	(15.7)
Loss from discontinued operations before income taxes	0.0	(0.3)
Income tax benefit	0.0	0.1
Loss from discontinued operations	0.0	(0.2)
Net loss	(5.8)	(15.9)
Less: Net income attributable to noncontrolling interest	1.2	0.0
Net loss attributable to Kratos	$ (7.0)	$ (15.9)
Basic loss per common share attributable to Kratos:
Loss from continuing operations (in dollars per share)	$ (0.05)	$ (0.12)
Loss from discontinued operations (in dollars per share)	0	0
Loss per common share (in dollars per share)	(0.05)	(0.12)
Diluted loss per common share attributable to Kratos:
Loss from continuing operations (in dollars per share)	(0.05)	(0.12)
Loss from discontinued operations (in dollars per share)	0	0
Loss per common share (in dollars per share)	$ (0.05)	$ (0.12)
Weighted average common shares outstanding:
Basic (in shares)	128.1	125.9
Diluted (in shares)	128.1	125.9
Service revenues
Total revenues	$ 91.6	$ 67.9
Total costs	68.2	49.9
Product sales
Total revenues	140.2	128.3
Total costs	$ 104.2	$ 94.4