XML 91 R78.htm IDEA: XBRL DOCUMENT
v3.23.2

Share-Based Compensation - Share-Based Compensation, Cash-Based Awards and Related Tax Benefit Recognized in Condensed Consolidated Statements of Operations (Detail) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Jun. 24, 2023 | Jun. 25, 2022 | Jun. 26, 2021
Stock-based awards [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | $ 122.0 | $ 100.8 | $ 66.1
Income tax benefit on share-based compensation | 13.2 | 23.1 | 15.2
Phantom Stock Unit [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | 0.6 | 32.1 | 27.0
Cost of Revenue [Member] | Stock-based awards [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | 4.0 | 4.0 | 3.0
Cost of Revenue [Member] | Phantom Stock Unit [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | 0.0 | 0.2 | 0.4
Research and Development [Member] | Stock-based awards [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | 52.4 | 42.5 | 23.5
Research and Development [Member] | Phantom Stock Unit [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | 0.3 | 27.2 | 21.9
Selling, General, and Administrative [Member] | Stock-based awards [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | 65.6 | 54.3 | 39.6
Selling, General, and Administrative [Member] | Phantom Stock Unit [Member] |  |  |
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items] |  |  |
Total | $ 0.3 | $ 4.7 | $ 4.7

X
- Definition Employee service share based compensation tax benefit (expense) from compensation expense. + References No definition available. + Details
Name: | syna_EmployeeServiceShareBasedCompensationTaxBenefitExpenseFromCompensationExpense
Namespace Prefix: | syna_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=syna_StockBasedAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PhantomShareUnitsPSUsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingGeneralAndAdministrativeExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |