Cover - USD ($)
$ in Billions

12 Months Ended

Dec. 31, 2023

Feb. 09, 2024

Jun. 23, 2023

Cover [Abstract]

Document Type

10-K

Document Annual Report

true

Document Period End Date

Dec. 31, 2023

Current Fiscal Year End Date

--12-31

Document Transition Report

false

Entity File Number

001-34460

Entity Registrant Name

KRATOS DEFENSE & SECURITY SOLUTIONS, INC.

Entity Incorporation, State or Country Code

DE

Entity Tax Identification Number

13-3818604

Entity Address, Address Line One

1 Chisholm Trail

Entity Address, Address Line Two

Suite 300

Entity Address, City or Town

Round Rock

Entity Address, State or Province

TX

Entity Address, Postal Zip Code

78681

City Area Code

512

Local Phone Number

238-9840

Title of 12(b) Security

Common Stock, $0.001 par value

Trading Symbol

KTOS

Security Exchange Name

NASDAQ

Entity Well-known Seasoned Issuer

Yes

Entity Voluntary Filers

No

Entity Current Reporting Status

Yes

Entity Interactive Data Current

Yes

Entity Filer Category

Large Accelerated Filer

Entity Small Business

false

Entity Emerging Growth Company

false

ICFR Auditor Attestation Flag

true

Document Financial Statement Error Correction [Flag]

false

Entity Shell Company

false

Entity Public Float

$ 1.7

Entity Common Stock, Shares Outstanding

129,997,441

Documents Incorporated by Reference

Items 10, 11, 12, 13 and 14 of Part III of this annual report on Form 10-K incorporate information by reference from the registrant’s definitive proxy statement to be filed pursuant to Regulation 14A in connection with the registrant’s 2024 Annual Meeting of Stockholders or an amendment to this annual report on Form 10-K to be filed with the Securities and Exchange Commission within 120 days after the close of the fiscal year covered by this annual report on Form 10-K.

Entity Central Index Key

0001069258

Document Fiscal Year Focus

2023

Document Fiscal Period Focus

FY

Amendment Flag

false