Condensed Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
Sep. 30, 2023	Sep. 24, 2022
Income Statement [Abstract]
Net revenue	$ 237.7	$ 448.1
Cost of revenue	130.6	192.4
Gross margin	107.1	255.7
Operating expenses:
Research and development	86.5	89.5
Selling, general, and administrative	42.3	44.7
Acquired intangibles amortization	5.5	9.5
Restructuring costs	8.0	0.0
Total operating expenses	142.3	143.7
Operating (loss) income	(35.2)	112.0
Interest and other expense, net	(5.4)	(8.3)
(Loss) income before provision for income taxes	(40.6)	103.7
Provision for income taxes	15.0	39.1
Net income	$ (55.6)	$ 64.6
Net income per share:
Basic	$ (1.43)	$ 1.62
Diluted	$ (1.43)	$ 1.59
Shares used in computing net income:
Basic	38.8	39.8
Diluted	38.8	40.7

Amortization of intangible assets included in operating expense.

No definition available.

Name:	syna_AmortizationOfIntangibleAssetsIncludedInOperatingExpense
Namespace Prefix:	syna_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.