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Revenue Recognition - Performance Obligation Narrative (Details) | Mar. 29, 2019 performance_obligation
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Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] |
Number of remaining performance obligations | 1

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- Definition Revenue, Remaining Performance Obligation, Number + References No definition available. + Details
Name: | cik0_RevenueRemainingPerformanceObligationNumber
Namespace Prefix: | cik0_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration