3.22.2.2 html 425 547 1 true 139 0 false 7 false false R1.htm 100000 - Document - Document and Entity Information Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DocumentDocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 100010 - Statement - Consolidated Balance Sheets Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_StatementConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 100030 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_StatementConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 100040 - Statement - Consolidated Statements of Operations Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_StatementConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 100050 - Statement - Consolidated Statements of Comprehensive Income/(Loss) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_StatementConsolidatedStatementsOfComprehensiveIncomeLoss Consolidated Statements of Comprehensive Income/(Loss) Statements 5 false false R6.htm 100060 - Statement - Consolidated Statements of Stockholders Equity Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_StatementConsolidatedStatementsOfStockholdersEquity Consolidated Statements of Stockholders Equity Statements 6 false false R7.htm 100070 - Statement - Consolidated Statements of Cash Flows Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_StatementConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 100080 - Disclosure - Organization and Summary of Significant Accounting Policies Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPolicies Organization and Summary of Significant Accounting Policies Notes 8 false false R9.htm 100090 - Disclosure - Net Income Per Share Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureNetIncomePerShare Net Income Per Share Notes 9 false false R10.htm 100100 - Disclosure - Property and Equipment Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosurePropertyAndEquipment Property and Equipment Notes 10 false false R11.htm 100110 - Disclosure - Acquisitions, Divestiture and Investment Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestment Acquisitions, Divestiture and Investment Notes 11 false false R12.htm 100120 - Disclosure - Cash, Cash Equivalents and Short-Term Investments Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureCashCashEquivalentsAndShorttermInvestments Cash, Cash Equivalents and Short-Term Investments Notes 12 false false R13.htm 100130 - Disclosure - Fair Value Measurements Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureFairValueMeasurements Fair Value Measurements Notes 13 false false R14.htm 100140 - Disclosure - Goodwill and Acquired Intangible Assets Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssets1 Goodwill and Acquired Intangible Assets Notes 14 false false R15.htm 100150 - Disclosure - Debt Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureDebt Debt Notes 15 false false R16.htm 100160 - Disclosure - Leases, Commitments and Contingencies Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingencies Leases, Commitments and Contingencies Notes 16 false false R17.htm 100170 - Disclosure - Stockholders' Equity Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureStockholdersEquity Stockholders' Equity Notes 17 false false R18.htm 100180 - Disclosure - Share-Based Compensation Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensation Share-Based Compensation Notes 18 false false R19.htm 100190 - Disclosure - Employee Benefit Plans Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureEmployeeBenefitPlans Employee Benefit Plans Notes 19 false false R20.htm 100200 - Disclosure - Income Taxes Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxes Income Taxes Notes 20 false false R21.htm 100210 - Disclosure - Segment, Customers, and Geographic Information Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformation Segment, Customers, and Geographic Information Notes 21 false false R22.htm 100220 - Disclosure - Restructuring Activities Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureRestructuringActivities Restructuring Activities Notes 22 false false R23.htm 100230 - Disclosure - Organization and Summary of Significant Accounting Policies (Policies) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesPolicies Organization and Summary of Significant Accounting Policies (Policies) Policies http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPolicies 23 false false R24.htm 100240 - Disclosure - Organization and Summary of Significant Accounting Policies (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesTables Organization and Summary of Significant Accounting Policies (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPolicies 24 false false R25.htm 100250 - Disclosure - Net Income Per Share (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureNetIncomePerShareTables Net Income Per Share (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/DisclosureNetIncomePerShare 25 false false R26.htm 100260 - Disclosure - Property and Equipment (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosurePropertyAndEquipmentTables Property and Equipment (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosurePropertyAndEquipment 26 false false R27.htm 100270 - Disclosure - Acquisitions, Divestiture and Investment (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestmentTables Acquisitions, Divestiture and Investment (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestment 27 false false R28.htm 100280 - Disclosure - Cash, Cash Equivalents and Short-Term Investments (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureCashCashEquivalentsAndShorttermInvestmentsTables Cash, Cash Equivalents and Short-Term Investments (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/DisclosureCashCashEquivalentsAndShorttermInvestments 28 false false R29.htm 100290 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureFairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/DisclosureFairValueMeasurements 29 false false R30.htm 100300 - Disclosure - Goodwill and Acquired Intangible Assets (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssetsTables Goodwill and Acquired Intangible Assets (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssets1 30 false false R31.htm 100310 - Disclosure - Debt (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureDebtTables Debt (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureDebt 31 false false R32.htm 100320 - Disclosure - Leases, Commitments and Contingencies (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingenciesTables Leases, Commitments and Contingencies (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingencies 32 false false R33.htm 100330 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureStockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureStockholdersEquity 33 false false R34.htm 100340 - Disclosure - Share-Based Compensation (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationTables Share-Based Compensation (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensation 34 false false R35.htm 100350 - Disclosure - Income Taxes (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesTables Income Taxes (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxes 35 false false R36.htm 100360 - Disclosure - Segment, Customers, and Geographic Information (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationTables Segment, Customers, and Geographic Information (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformation 36 false false R37.htm 100370 - Disclosure - Restructuring Activities (Tables) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureRestructuringActivitiesTables Restructuring Activities (Tables) Tables http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureRestructuringActivities 37 false false R38.htm 100380 - Disclosure - Organization and Summary of Significant Accounting Policies - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesAdditionalInformationDetail Organization and Summary of Significant Accounting Policies - Additional Information (Detail) Details 38 false false R39.htm 100390 - Disclosure - Organization and Summary of Significant Accounting Policies - Accounts Receivable Balance Percentage of Different Customers (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesAccountsReceivableBalancePercentageOfDifferentCustomersDetail Organization and Summary of Significant Accounting Policies - Accounts Receivable Balance Percentage of Different Customers (Detail) Details 39 false false R40.htm 100410 - Disclosure - Organization and Summary of Significant Accounting Policies - Inventories (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesInventoriesDetail Organization and Summary of Significant Accounting Policies - Inventories (Detail) Details http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesTables 40 false false R41.htm 100420 - Disclosure - Organization and Summary of Significant Accounting Policies - Schedule of Changes in Goodwill (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesScheduleOfChangesInGoodwillDetail Organization and Summary of Significant Accounting Policies - Schedule of Changes in Goodwill (Detail) Details 41 false false R42.htm 100430 - Disclosure - Organization and Summary of Significant Accounting Policies - Other Accrued Liabilities (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesOtherAccruedLiabilitiesDetail Organization and Summary of Significant Accounting Policies - Other Accrued Liabilities (Detail) Details 42 false false R43.htm 100440 - Disclosure - Organization and Summary of Significant Accounting Policies - Other Long Term Accrued Liabilities (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureOrganizationAndSummaryOfSignificantAccountingPoliciesOtherLongTermAccruedLiabilitiesDetail Organization and Summary of Significant Accounting Policies - Other Long Term Accrued Liabilities (Detail) Details 43 false false R44.htm 100450 - Disclosure - Net Income Per Share - Computation of Basic and Diluted Net Income Per Share (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureNetIncomePerShareComputationOfBasicAndDilutedNetIncomePerShareDetail Net Income Per Share - Computation of Basic and Diluted Net Income Per Share (Detail) Details 44 false false R45.htm 100460 - Disclosure - Net Income Per Share - Share-Based Awards, not Included in Calculation of Diluted Net Income Per Share (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureNetIncomePerShareSharebasedAwardsNotIncludedInCalculationOfDilutedNetIncomePerShareDetail Net Income Per Share - Share-Based Awards, not Included in Calculation of Diluted Net Income Per Share (Detail) Details 45 false false R46.htm 100470 - Disclosure - Property and Equipment - Property and Equipment (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosurePropertyAndEquipmentPropertyAndEquipmentDetail Property and Equipment - Property and Equipment (Detail) Details 46 false false R47.htm 100490 - Disclosure - Property and Equipment - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosurePropertyAndEquipmentAdditionalInformationDetail Property and Equipment - Additional Information (Detail) Details 47 false false R48.htm 100500 - Disclosure - Acquisitions, Divestiture and Investment - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestmentAdditionalInformationDetail Acquisitions, Divestiture and Investment - Additional Information (Detail) Details 48 false false R49.htm 100510 - Disclosure - Acquisitions, Divestiture and Investment - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestmentSummaryOfEstimatedFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetail Acquisitions, Divestiture and Investment - Summary of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Detail) Details 49 false false R50.htm 100520 - Schedule - Acquisitions, Divestiture and Investment - Summary of the final amounts of the fair values recognized (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/ScheduleAcquisitionsDivestitureAndInvestmentSummaryOfTheFinalAmountsOfTheFairValuesRecognizedDetails Acquisitions, Divestiture and Investment - Summary of the final amounts of the fair values recognized (Details) Details 50 false false R51.htm 100530 - Disclosure - Acquisitions, Divestiture and Investment - Summary of Preliminary Estimate of Intangible Assets (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestmentSummaryOfPreliminaryEstimateOfIntangibleAssetsDetail Acquisitions, Divestiture and Investment - Summary of Preliminary Estimate of Intangible Assets (Detail) Details 51 false false R52.htm 100540 - Disclosure - Acquisitions, Divestiture and Investment - Summary of Unaudited Pro Forma Financial Information Presents Combined Results of Operations (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestmentSummaryOfUnauditedProFormaFinancialInformationPresentsCombinedResultsOfOperationsDetail Acquisitions, Divestiture and Investment - Summary of Unaudited Pro Forma Financial Information Presents Combined Results of Operations (Detail) Details 52 false false R53.htm 100550 - Disclosure - Acquisitions, Divestiture and Investment - Summary of Adjusted Purchase Price (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureAcquisitionsDivestitureAndInvestmentSummaryOfAdjustedPurchasePriceDetail Acquisitions, Divestiture and Investment - Summary of Adjusted Purchase Price (Detail) Details 53 false false R54.htm 100560 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of cash, cash equivalents and short-term investments (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureCashCashEquivalentsAndShorttermInvestmentsScheduleOfCashCashEquivalentsAndShorttermInvestmentsDetails Cash, Cash Equivalents and Short-Term Investments - Schedule of cash, cash equivalents and short-term investments (Details) Details 54 false false R55.htm 100570 - Disclosure - Cash, Cash Equivalents and Short-Term Investments - Schedule of classified by contractual maturity date (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureCashCashEquivalentsAndShorttermInvestmentsScheduleOfClassifiedByContractualMaturityDateDetails Cash, Cash Equivalents and Short-Term Investments - Schedule of classified by contractual maturity date (Details) Details 55 false false R56.htm 100580 - Schedule - Fair Value Measurements - Schedule of financial assets measured at fair value on a recurring basis (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/ScheduleFairValueMeasurementsScheduleOfFinancialAssetsMeasuredAtFairValueOnARecurringBasisDetails Fair Value Measurements - Schedule of financial assets measured at fair value on a recurring basis (Details) Details 56 false false R57.htm 100590 - Disclosure - Fair Value Measurements (Additional Information) (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureFairValueMeasurementsAdditionalInformationDetails Fair Value Measurements (Additional Information) (Details) Details http://www.synaptics.com/20220625/taxonomy/role/DisclosureFairValueMeasurementsTables 57 false false R58.htm 100600 - Schedule - Fair Value Measurements - Schedule of carrying amounts and estimated fair values of the Senior Notes (Details) Notes http://www.synaptics.com/20220625/taxonomy/role/ScheduleFairValueMeasurementsScheduleOfCarryingAmountsAndEstimatedFairValuesOfTheSeniorNotesDetails Fair Value Measurements - Schedule of carrying amounts and estimated fair values of the Senior Notes (Details) Details 58 false false R59.htm 100610 - Disclosure - Goodwill and Acquired Intangible Assets - Schedule of Goodwill (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssetsScheduleOfGoodwillDetails Goodwill and Acquired Intangible Assets - Schedule of Goodwill (Details) Details 59 false false R60.htm 100620 - Disclosure - Goodwill and Acquired Intangible Assets - Summary of Life, Gross Carrying Value of Acquired Intangible Assets, and Related Accumulated Amortization (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssetsSummaryOfLifeGrossCarryingValueOfAcquiredIntangibleAssetsAndRelatedAccumulatedAmortizationDet Goodwill and Acquired Intangible Assets - Summary of Life, Gross Carrying Value of Acquired Intangible Assets, and Related Accumulated Amortization (Detail) Details 60 false false R61.htm 100630 - Disclosure - Goodwill and Acquired Intangible Assets - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssetsAdditionalInformationDetail Goodwill and Acquired Intangible Assets - Additional Information (Detail) Details 61 false false R62.htm 100640 - Disclosure - Goodwill and Acquired Intangible Assets - Schedule of Expected Annual Aggregate Amortization Expense (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureGoodwillAndAcquiredIntangibleAssetsScheduleOfExpectedAnnualAggregateAmortizationExpenseDetail Goodwill and Acquired Intangible Assets - Schedule of Expected Annual Aggregate Amortization Expense (Detail) Details 62 false false R63.htm 100650 - Disclosure - Debt - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureDebtAdditionalInformationDetail Debt - Additional Information (Detail) Details 63 false false R64.htm 100660 - Disclosure - Debt - Schedule Of Redemption Prices And Unpaid Interest (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureDebtScheduleOfRedemptionPricesAndUnpaidInterestDetail Debt - Schedule Of Redemption Prices And Unpaid Interest (Detail) Details 64 false false R65.htm 100680 - Disclosure - Leases, Commitments and Contingencies - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingenciesAdditionalInformationDetail Leases, Commitments and Contingencies - Additional Information (Detail) Details 65 false false R66.htm 100690 - Disclosure - Leases, Commitments and Contingencies - Schedule of Components of Leases (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingenciesScheduleOfComponentsOfLeasesDetail Leases, Commitments and Contingencies - Schedule of Components of Leases (Detail) Details 66 false false R67.htm 100700 - Disclosure - Leases, Commitments and Contingencies - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingenciesScheduleOfSupplementalCashFlowInformationRelatedToLeasesDetail Leases, Commitments and Contingencies - Schedule of Supplemental Cash Flow Information Related to Leases (Detail) Details 67 false false R68.htm 100710 - Disclosure - Leases, Commitments and Contingencies - Schedule of Future Minimum Lease Payments for Operating Leases (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureLeasesCommitmentsAndContingenciesScheduleOfFutureMinimumLeasePaymentsForOperatingLeasesDetail Leases, Commitments and Contingencies - Schedule of Future Minimum Lease Payments for Operating Leases (Detail) Details 68 false false R69.htm 100720 - Disclosure - Stockholders' Equity - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureStockholdersEquityAdditionalInformationDetail Stockholders' Equity - Additional Information (Detail) Details 69 false false R70.htm 100730 - Disclosure - Stockholders' Equity - Shares Reserved for Future Issuance (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureStockholdersEquitySharesReservedForFutureIssuanceDetail Stockholders' Equity - Shares Reserved for Future Issuance (Detail) Details 70 false false R71.htm 100740 - Disclosure - Share-Based Compensation - New Share-Based Compensation Plans - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationNewShareBasedCompensationPlansAdditionalInformationDetail Share-Based Compensation - New Share-Based Compensation Plans - Additional Information (Detail) Details 71 false false R72.htm 100750 - Disclosure - Share-Based Compensation - Share-Based Compensation Awards Available for Grant or Issuance (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationShareBasedCompensationAwardsAvailableForGrantOrIssuanceDetail Share-Based Compensation - Share-Based Compensation Awards Available for Grant or Issuance (Detail) Details 72 false false R73.htm 100760 - Disclosure - Share-Based Compensation - Share-Based Compensation, Cash-Based Awards and Related Tax Benefit Recognized in Condensed Consolidated Statements of Operations (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationShareBasedCompensationCashBasedAwardsAndRelatedTaxBenefitRecognizedInCondensedConsolidatedStatementsOfOperationsDetail Share-Based Compensation - Share-Based Compensation, Cash-Based Awards and Related Tax Benefit Recognized in Condensed Consolidated Statements of Operations (Detail) Details 73 false false R74.htm 100770 - Disclosure - Share-Based Compensation - Stock Options - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationStockOptionsAdditionalInformationDetail Share-Based Compensation - Stock Options - Additional Information (Detail) Details 74 false false R75.htm 100780 - Disclosure - Share Based Compensation - Schedule of Stock Option Activity (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationScheduleOfStockOptionActivityDetail Share Based Compensation - Schedule of Stock Option Activity (Detail) Details 75 false false R76.htm 100790 - Disclosure - Share-Based Compensation - Cash Received and Aggregate Intrinsic Value of Stock Options Exercised (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationCashReceivedAndAggregateIntrinsicValueOfStockOptionsExercisedDetail Share-Based Compensation - Cash Received and Aggregate Intrinsic Value of Stock Options Exercised (Detail) Details 76 false false R77.htm 100800 - Disclosure - Share-Based Compensation - Restricted Stock Units - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationRestrictedStockUnitsAdditionalInformationDetail Share-Based Compensation - Restricted Stock Units - Additional Information (Detail) Details 77 false false R78.htm 100810 - Disclosure - Share-Based Compensation - Schedule of Stock Units Activity (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationScheduleOfStockUnitsActivityDetail Share-Based Compensation - Schedule of Stock Units Activity (Detail) Details 78 false false R79.htm 100820 - Disclosure - Share-Based Compensation - Market Stock Units - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationMarketStockUnitsAdditionalInformationDetail Share-Based Compensation - Market Stock Units - Additional Information (Detail) Details 79 false false R80.htm 100830 - Disclosure - Share-Based Compensation - Fair Value of Each Award Granted Under Stock Option Plans (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationFairValueOfEachAwardGrantedUnderStockOptionPlansDetail Share-Based Compensation - Fair Value of Each Award Granted Under Stock Option Plans (Detail) Details 80 false false R81.htm 100840 - Disclosure - Share-Based Compensation - Performance Stock Units - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationPerformanceStockUnitsAdditionalInformationDetail Share-Based Compensation - Performance Stock Units - Additional Information (Detail) Details 81 false false R82.htm 100850 - Disclosure - Share-Based Compensation - Phantom Stock Units - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationPhantomStockUnitsAdditionalInformationDetail Share-Based Compensation - Phantom Stock Units - Additional Information (Detail) Details 82 false false R83.htm 100860 - Disclosure - Share-Based Compensation - Employee Stock Purchase Plan - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationEmployeeStockPurchasePlanAdditionalInformationDetail Share-Based Compensation - Employee Stock Purchase Plan - Additional Information (Detail) Details 83 false false R84.htm 100870 - Disclosure - Share-Based Compensation - Shares Purchased, Weighted Average Purchase Price, Cash Received, and Aggregate Intrinsic Value for ESPP (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationSharesPurchasedWeightedAveragePurchasePriceCashReceivedAndAggregateIntrinsicValueForESPPDetail Share-Based Compensation - Shares Purchased, Weighted Average Purchase Price, Cash Received, and Aggregate Intrinsic Value for ESPP (Detail) Details 84 false false R85.htm 100880 - Disclosure - Share-Based Compensation - Fair Value of Each Award Granted Under ESPP (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureShareBasedCompensationFairValueOfEachAwardGrantedUnderESPPDetail Share-Based Compensation - Fair Value of Each Award Granted Under ESPP (Detail) Details 85 false false R86.htm 100890 - Disclosure - Employee Benefit Plans - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureEmployeeBenefitPlansAdditionalInformationDetail Employee Benefit Plans - Additional Information (Detail) Details 86 false false R87.htm 100900 - Disclosure - Income Taxes - Tabular Disclosure of Income (Loss) Before Income Tax Between Domestic and Foreign Jurisdictions (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesTabularDisclosureOfIncomeLossBeforeIncomeTaxBetweenDomesticAndForeignJurisdictionsDetail Income Taxes - Tabular Disclosure of Income (Loss) Before Income Tax Between Domestic and Foreign Jurisdictions (Detail) Details 87 false false R88.htm 100910 - Disclosure - Income Taxes - Provision for Income Taxes (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesProvisionForIncomeTaxesDetail Income Taxes - Provision for Income Taxes (Detail) Details 88 false false R89.htm 100920 - Disclosure - Income Taxes - Provision for Income Taxes Differs from Federal Statutory Rate (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesProvisionForIncomeTaxesDiffersFromFederalStatutoryRateDetail Income Taxes - Provision for Income Taxes Differs from Federal Statutory Rate (Detail) Details 89 false false R90.htm 100930 - Disclosure - Income Taxes - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesAdditionalInformationDetail Income Taxes - Additional Information (Detail) Details 90 false false R91.htm 100940 - Disclosure - Income Taxes - Significant Components of Deferred Tax Assets (Liabilities) (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesSignificantComponentsOfDeferredTaxAssetsLiabilitiesDetail Income Taxes - Significant Components of Deferred Tax Assets (Liabilities) (Detail) Details 91 false false R92.htm 100950 - Disclosure - Income Taxes - Reconciliation of Gross Unrecognized Tax Benefits (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureIncomeTaxesReconciliationOfGrossUnrecognizedTaxBenefitsDetail Income Taxes - Reconciliation of Gross Unrecognized Tax Benefits (Detail) Details 92 false false R93.htm 100960 - Disclosure - Segment, Customers, and Geographic Information - Additional Information (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationAdditionalInformationDetail Segment, Customers, and Geographic Information - Additional Information (Detail) Details 93 false false R94.htm 100970 - Disclosure - Segment, Customers, and Geographic Information - Net Revenue within Geographic Areas Based on Customers' Locations (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationNetRevenueWithinGeographicAreasBasedOnCustomersLocationsDetail Segment, Customers, and Geographic Information - Net Revenue within Geographic Areas Based on Customers' Locations (Detail) Details 94 false false R95.htm 100980 - Disclosure - Segment, Customers, and Geographic Information - Net Revenue from External Customers (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationNetRevenueFromExternalCustomersDetail Segment, Customers, and Geographic Information - Net Revenue from External Customers (Detail) Details 95 false false R96.htm 100990 - Disclosure - Segment, Customers, and Geographic Information - Long-Lived Assets within Geographic Areas (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationLongLivedAssetsWithinGeographicAreasDetail Segment, Customers, and Geographic Information - Long-Lived Assets within Geographic Areas (Detail) Details 96 false false R97.htm 101000 - Disclosure - Segment, Customers, and Geographic Information - Major Customers' Revenue as a Percentage of Total Net Revenue (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationMajorCustomersRevenueAsPercentageOfTotalNetRevenueDetail Segment, Customers, and Geographic Information - Major Customers' Revenue as a Percentage of Total Net Revenue (Detail) Details 97 false false R98.htm 101010 - Disclosure - Segment, Customers, and Geographic Information - Major Customers' Revenue as a Percentage of Total Net Revenue (Parenthetical) (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureSegmentCustomersAndGeographicInformationMajorCustomersRevenueAsPercentageOfTotalNetRevenueParentheticalDetail Segment, Customers, and Geographic Information - Major Customers' Revenue as a Percentage of Total Net Revenue (Parenthetical) (Detail) Details 98 false false R99.htm 101020 - Disclosure - Restructuring Activities (Additional Information) (Details) Sheet http://www.synaptics.com/20220625/taxonomy/role/DisclosureRestructuringActivitiesAdditionalInformationDetails Restructuring Activities (Additional Information) (Details) Details http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureRestructuringActivitiesTables 99 false false R100.htm 101030 - Disclosure - Restructuring Activities - Restructuring Liability Activities (Detail) Sheet http://www.synaptics.com/20220625/taxonomy/role/Role_DisclosureRestructuringActivitiesRestructuringLiabilityActivitiesDetail Restructuring Activities - Restructuring Liability Activities (Detail) Details 100 false false All Reports Book All Reports [dq-0542-Deprecated-Concept] Concept EffectOfExchangeRateOnCashAndCashEquivalents in us-gaap/2021 used in 3 facts was deprecated in us-gaap/2022 as of 2022 and should not be used. syna-20220625.htm 6246, 6250, 6254 [ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 33 fact(s) appearing in ix:hidden were eligible for transformation: dei:CurrentFiscalYearEndDate, syna:LineOfCreditFacilityRepaymentDateDescription, syna:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsGrantDateFairValuePerShare, syna:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsMinimumHistoricalTerm, us-gaap:DebtInstrumentInterestRateStatedPercentage, us-gaap:LesseeOperatingLeaseExistenceOfOptionToExtend, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate, us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1, us-gaap:StockRepurchaseProgramExpirationDate - syna-20220625.htm 8 [ix-0514-Hidden-Fact-Not-Referenced] WARN: 6 fact(s) appearing in ix:hidden were not referenced by any -sec-ix-hidden style property: us-gaap:OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList, us-gaap:OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList - syna-20220625.htm 8 syna-20220625.htm syna-20220625.xsd syna-20220625_cal.xml syna-20220625_def.xml syna-20220625_lab.xml syna-20220625_pre.xml syna-ex10_3.htm syna-ex21.htm syna-ex23_1.htm syna-ex31_1.htm syna-ex31_2.htm syna-ex32_1.htm syna-ex32_2.htm img256028027_0.jpg http://fasb.org/us-gaap/2021-01-31 http://xbrl.sec.gov/dei/2021q4 true true