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v3.20.4

Revenues (Narrative) (Performance Obligation) (Details) $ in Millions | Dec. 26, 2020 USD ($)
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-09-27 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Deferred revenue, performance obligation | $ 4.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-03-28 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Deferred revenue, performance obligation | 9.6
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-03-27 |
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Deferred revenue, performance obligation | $ 3.3

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