Subsequent Events	6 Months Ended
Jun. 28, 2020
Subsequent Events [Abstract]
Subsequent Events	Subsequent EventsOn June 15, 2020, Kratos Integral Holdings, LLC entered into a Stock Purchase Agreement to acquire CPI ASC Signal Division, Inc. (“ASC Signal”) from Communications & Power Industries LLC for $35 million in cash, subject to adjustments for transaction expenses, indebtedness, cash on hand, and working capital adjustments. ASC Signal is a manufacturer of high-performance, highly engineered antenna systems for satellite communications, radar, electronic warfare, and high frequency applications. On June 30, 2020, the acquisition was completed following the satisfaction of all closing conditions, including receipt of regulatory approval from all required government authorities.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6842918&loc=SL6314017-165662

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration