CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
Total revenues	$ 717.5	$ 618.0	$ 603.3
Total costs	527.5	448.3	445.7
Gross profit	190.0	169.7	157.6
Selling, general and administrative expenses	130.8	119.8	127.3
Merger and acquisition related items	2.3	0.0	0.0
Research and development expenses	18.0	15.6	17.8
Impairment of goodwill	0.0	0.0	24.2
Restructuring expenses and other	0.9	3.8	0.3
Operating income (loss)	38.0	30.5	(12.0)
Other income (expense):
Interest expense, net	(21.6)	(20.8)	(28.6)
Loss on extinguishment of debt	0.0	0.0	(17.3)
Other income (expense), net	(0.7)	(1.0)	0.8
Total other expense, net	(22.3)	(21.8)	(45.1)
Income (loss) from continuing operations before income taxes	15.7	8.7	(57.1)
Provision (benefit) for income taxes from continuing operations	4.8	4.6	(10.2)
Income (loss) from continuing operations	10.9	4.1	(46.9)
Income (loss) from operations of discontinued component (including gain on disposal of $0.0 million for the year ended December 30, 2018)	1.9	(9.4)	6.3
Income tax expense (benefit)	0.2	(1.8)	2.1
Income (loss) from discontinued operations	1.7	(7.6)	4.2
Net income (loss)	12.6	(3.5)	(42.7)
Less: Net income attributable to noncontrolling interest	0.1	0.0	0.0
Net income (loss) attributable to Kratos	$ 12.5	$ (3.5)	$ (42.7)
Basic income and (loss) per common share attributable to Kratos:
Income (loss) from continuing operations (in dollars per share)	$ 0.10	$ 0.04	$ (0.52)
Income (loss) from discontinued operations (in dollars per share)	0.02	(0.07)	0.04
Net income (loss) per common share (in dollars per share)	0.12	(0.03)	(0.48)
Diluted income and (loss) per common share attributable to Kratos:
Income (loss) from continuing operations (in dollars per share)	0.10	0.04	(0.52)
Income (loss) from discontinued operations (in dollars per share)	0.01	(0.07)	0.04
Net income (loss) per common share (in dollars per share)	$ 0.11	$ (0.03)	$ (0.48)
Weighted average common shares outstanding:
Basic (in shares)	106.0	103.8	89.5
Diluted (in shares)	109.2	106.1	89.5
Service revenues
Total revenues	$ 272.6	$ 200.7	$ 197.8
Total costs	192.0	137.8	138.6
Product sales
Total revenues	444.9	417.3	405.5
Total costs	$ 335.5	$ 310.5	$ 307.1