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Commitments and Contingencies - Textual (Details) $ in Millions											12 Months Ended
	Oct. 18, 2021 patent	Aug. 13, 2021 patent	Jun. 23, 2021 claimFeature	Jun. 04, 2021 patent	Nov. 02, 2020 patent	Sep. 29, 2020 patent	Aug. 21, 2020 patent	Jun. 12, 2020 patent	Jun. 11, 2020 patent	Mar. 10, 2017 patent	Oct. 02, 2021 USD ($) patent
Loss Contingencies [Line Items]
Tariff refund | $											$ 15.4
Other Current Assets
Loss Contingencies [Line Items]
Income taxes receivable | $											$ 0.8
Implicit, LLC
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed										2
Alphabet Inc. ("Alphabet") and Google LLC ("Google") [Member]
Loss Contingencies [Line Items]
Gain contingency, patents found infringed upon		5
Gain contingency, patents allegedly infringed upon						5
Sonos, Inc.
Loss Contingencies [Line Items]
Gain contingency, patents allegedly infringed upon								2
Gain contingency, patents allegedly infringed upon, number of claim features scheduled for early disposition											2
Loss contingency, patents allegedly infringed									5
Loss contingency, patents found not infringed				1	1
Gain contingency, patents found not infringed, number of claim features | claimFeature			2
Sonos, Inc. | Subsequent Event
Loss Contingencies [Line Items]
Loss contingency, patents allegedly infringed, inter parties review granted	1
Sonos, Inc. | Canada
Loss Contingencies [Line Items]
Gain contingency, patents allegedly infringed upon							1
Sonos, Inc. | Europe And France
Loss Contingencies [Line Items]
Gain contingency, patents allegedly infringed upon							2
Government
Loss Contingencies [Line Items]
Income tax examination, refund | $											$ 18.3

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