Goodwill and Intangible Assets - Narrative (Details) $ in Millions	6 Months Ended
Jul. 29, 2018 USD ($)
Wireless and Sensing [Member]
Goodwill [Line Items]
Goodwill, Transferred from Other Product Group	$ 49.4

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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