Revenue - Schedule of Disaggregated Revenue by Geographic Region (Details)	3 Months Ended	6 Months Ended
Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Auto PND [Member]
Disaggregation of Revenue [Line Items]
Percentage of auto revenue	65.00%	68.00%	60.00%	64.00%
Auto OEM [Member]
Disaggregation of Revenue [Line Items]
Percentage of auto revenue	35.00%	32.00%	40.00%	36.00%

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.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration