Sales to Major Customers (Details) $ in Millions	3 Months Ended
Mar. 28, 2020 USD ($) customer	Mar. 30, 2019 customer
Segment Reporting, Asset Reconciling Item
Number of major customers \| customer	2	2
Sales Revenue, Net \| Customer Concentration Risk \| Major Customer One
Segment Reporting, Asset Reconciling Item
Percent of consolidated revenue	17.00%	13.00%
Sales Revenue, Net \| Customer Concentration Risk \| Major Customer Two
Segment Reporting, Asset Reconciling Item
Percent of consolidated revenue	9.00%	14.00%
Sales Revenue, Net \| Customer Concentration Risk \| Two Major Customers
Segment Reporting, Asset Reconciling Item
Accounts receivable from major customers \| $	$ 30.1

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
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