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Deferred Revenue and Other Contract Liabilities, Current - Narrative (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022	Oct. 31, 2020
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Deferred revenue	$ 56.9	$ 61.0
Bowers and Wilkins
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Royalty prepayment			$ 20.0
Deferred revenue	15.8		$ 35.0
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Unrecognized contract revenue	$ 1,434.6
Revenue remaining performance obligation, expected timing of satisfaction	1 year
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-10-01 | Twelve Months and Thereafter
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Unrecognized contract revenue	$ 375.9
Revenue remaining performance obligation, expected timing of satisfaction	12 months

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Carrying value as of the balance sheet date of obligations incurred through that date and payable for royalties.

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