Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

Name:	us-gaap_NumberOfReportableSegments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Segment Information - Narrative (Details) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
Segment Information - Narrative (Details) $ in Millions	Jun. 26, 2022 USD ($)	Jun. 25, 2023 USD ($) segment	Jun. 26, 2022 USD ($)	Dec. 25, 2022 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment		2
Litigation related charges		$ 0.0	$ 5.5
Unmanned Systems
Segment Reporting Information [Line Items]
Litigation related charges	$ 5.5		$ 5.5	$ 5.5