Revenue Recognized On Shipments To Distributors

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- Definition

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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- Definition

Amount of increase (decrease) in the allowance for doubtful accounts.

+ References

No definition available.

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- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

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- Definition

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.

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- Definition

Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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- References

No definition available.

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Nature of Operations and Significant Accounting Policies - Concentration Risk (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Risks and Uncertainties [Abstract]
Revenue recognized on shipments to distributors	$ 14.1
Allowance for doubtful accounts	0.2	$ 9.4
Accounts receivable, write-offs	$ 9.0
Increase in allowance for doubtful accounts			$ 9.0
Bad debt expense			$ 7.5
Revenue \| Sell-Through Distributors Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	83.00%	77.00%	73.00%
Top Five Customers \| Revenue \| Customer Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	18.00%	26.00%	27.00%
Largest Customer \| Revenue \| Customer Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	6.10%	7.30%	9.90%
Arrow Electronics Inc. \| Revenue \| Sell-Through Distributors Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	29.00%	24.00%	24.00%
Arrow Electronics Inc. \| Trade receivables \| Sell-Through Distributors Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	41.00%	66.00%
Weikeng Group \| Revenue \| Sell-Through Distributors Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	25.00%	27.00%	22.00%
Weikeng Group \| Trade receivables \| Sell-Through Distributors Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	23.00%	0.00%
All others \| Revenue \| Sell-Through Distributors Concentration Risk
Risks and Uncertainties [Abstract]
Concentration risk, percentage	29.00%	26.00%	27.00%