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Revenue Accounting for Contracts and Adoption of ASC Topic 606 - Remainng Performance Obligation, Percent (Details)	Dec. 28, 2018
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	57.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, percentage	43.00%

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Revenue, Remaining Performance Obligation, Percentage

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No definition available.

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