CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 26, 2022	Jun. 27, 2021	Jun. 26, 2022	Jun. 27, 2021
Total revenues	$ 224.2	$ 205.1	$ 420.4	$ 399.3
Total costs	166.4	153.1	310.7	296.3
Gross profit	57.8	52.0	109.7	103.0
Selling, general and administrative expenses	44.5	38.2	87.8	76.1
Merger and acquisition expenses	0.1	0.1	0.4	0.3
Research and development expenses	9.2	10.2	18.4	18.2
Restructuring expenses and other	5.9	0.2	6.2	0.2
Operating income (loss)	(1.9)	3.3	(3.1)	8.2
Other expense:
Interest expense, net	(2.9)	(5.7)	(8.8)	(11.6)
Loss on extinguishment of debt	0.0	0.0	(13.0)	0.0
Other income, net	0.0	0.0	0.1	0.2
Total other expense, net	(2.9)	(5.7)	(21.7)	(11.4)
Loss from continuing operations before income taxes	(4.8)	(2.4)	(24.8)	(3.2)
Provision (benefit) for income taxes from continuing operations	0.5	(3.6)	(3.8)	(6.3)
Income (loss) from continuing operations	(5.3)	1.2	(21.0)	3.1
Loss from discontinued operations before income taxes	0.0	(0.4)	(0.3)	(0.4)
Income tax benefit	0.9	0.1	1.0	0.1
Income (loss) from discontinued operations	0.9	(0.3)	0.7	(0.3)
Net income (loss)	(4.4)	0.9	(20.3)	2.8
Less: Net income (loss) attributable to noncontrolling interest	0.3	(0.2)	0.3	(0.2)
Net income (loss) attributable to Kratos	$ (4.7)	$ 1.1	$ (20.6)	$ 3.0
Basic income (loss) per common share attributable to Kratos:
Income (loss) from continuing operations (in dollars per share)	$ (0.04)	$ 0.01	$ (0.17)	$ 0.02
Income (Loss) from discontinued operations (in dollars per share)	0	0	0.01	0
Net income (loss) per common share (in dollars per share)	(0.04)	0.01	(0.16)	0.02
Diluted income (loss) per common share attributable to Kratos:
Income (loss) from continuing operations (in dollars per share)	(0.04)	0.01	(0.17)	0.02
Loss from discontinued operations (in dollars per share)	0	0	0.01	0
Net income (loss) per common share (in dollars per share)	$ (0.04)	$ 0.01	$ (0.16)	$ 0.02
Weighted average common shares outstanding:
Basic (in shares)	126.4	124.7	126.2	124.4
Diluted (in shares)	126.4	127.7	126.2	127.8
Service revenues
Total revenues	$ 78.8	$ 58.0	$ 146.7	$ 115.3
Total costs	56.2	41.3	106.1	83.8
Product sales
Total revenues	145.4	147.1	273.7	284.0
Total costs	$ 110.2	$ 111.8	$ 204.6	$ 212.5