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Summary of Significant Accounting Policies - Debt and Derivatives (Details) | 12 Months Ended
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Dec. 29, 2018
Forward Contracts [Member] |
Derivative [Line Items] |
Maturity period of forward contracts | 90 days

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- Definition Maximum Maturity Period Of Forward Contracts. + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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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
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |