3.19.1 html 126 274 1 false 42 0 false 11 false false R1.htm 0001000 - Document - Document and Entity Information Sheet http://www.quidel.com/role/DocumentAndEntityInformation Document and Entity Information Cover 1 false false R2.htm 1001000 - Statement - Consolidated Balance Sheets Sheet http://www.quidel.com/role/ConsolidatedBalanceSheets Consolidated Balance Sheets Statements 2 false false R3.htm 1001501 - Statement - Consolidated Balance Sheets (Parenthetical) Sheet http://www.quidel.com/role/ConsolidatedBalanceSheetsParenthetical Consolidated Balance Sheets (Parenthetical) Statements 3 false false R4.htm 1002000 - Statement - Consolidated Statements of Operations Sheet http://www.quidel.com/role/ConsolidatedStatementsOfOperations Consolidated Statements of Operations Statements 4 false false R5.htm 1003000 - Statement - Consolidated Statements of Comprehensive (Loss) Income Sheet http://www.quidel.com/role/ConsolidatedStatementsOfComprehensiveLossIncome Consolidated Statements of Comprehensive (Loss) Income Statements 5 false false R6.htm 1004000 - Statement - Consolidated Statements of Stockholders' Equity Statement Sheet http://www.quidel.com/role/ConsolidatedStatementsOfStockholdersEquityStatement Consolidated Statements of Stockholders' Equity Statement Statements 6 false false R7.htm 1005000 - Statement - Consolidated Statements of Cash Flows Sheet http://www.quidel.com/role/ConsolidatedStatementsOfCashFlows Consolidated Statements of Cash Flows Statements 7 false false R8.htm 2101100 - Disclosure - Summary of Significant Accounting Policies Sheet http://www.quidel.com/role/SummaryOfSignificantAccountingPolicies Summary of Significant Accounting Policies Notes 8 false false R9.htm 2102100 - Disclosure - Computation of (Loss) Earnings Per Share Sheet http://www.quidel.com/role/ComputationOfLossEarningsPerShare Computation of (Loss) Earnings Per Share Notes 9 false false R10.htm 2104100 - Disclosure - Other Balance Sheet Accounts Sheet http://www.quidel.com/role/OtherBalanceSheetAccounts Other Balance Sheet Accounts Notes 10 false false R11.htm 2105100 - Disclosure - Income Taxes Sheet http://www.quidel.com/role/IncomeTaxes Income Taxes Notes 11 false false R12.htm 2106100 - Disclosure - Debt Sheet http://www.quidel.com/role/Debt Debt Notes 12 false false R13.htm 2107100 - Disclosure - Stockholders' Equity Sheet http://www.quidel.com/role/StockholdersEquity Stockholders' Equity Notes 13 false false R14.htm 2108100 - Disclosure - Industry and Geographic Information Sheet http://www.quidel.com/role/IndustryAndGeographicInformation Industry and Geographic Information Notes 14 false false R15.htm 2109100 - Disclosure - Commitments and Contingencies Sheet http://www.quidel.com/role/CommitmentsAndContingencies Commitments and Contingencies Notes 15 false false R16.htm 2110100 - Disclosure - Fair Value Measurements Sheet http://www.quidel.com/role/FairValueMeasurements Fair Value Measurements Notes 16 false false R17.htm 2111100 - Disclosure - Derivatives and Hedging (Notes) Notes http://www.quidel.com/role/DerivativesAndHedgingNotes Derivatives and Hedging (Notes) Notes 17 false false R18.htm 2201201 - Disclosure - Summary of Significant Accounting Policies (Policies) Sheet http://www.quidel.com/role/SummaryOfSignificantAccountingPoliciesPolicies Summary of Significant Accounting Policies (Policies) Policies http://www.quidel.com/role/SummaryOfSignificantAccountingPolicies 18 false false R19.htm 2301302 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables) Sheet http://www.quidel.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesTables Summary of Significant Accounting Policies Summary of Significant Accounting Policies (Tables) Tables 19 false false R20.htm 2302301 - Disclosure - Computation of (Loss) Earnings Per Share (Tables) Sheet http://www.quidel.com/role/ComputationOfLossEarningsPerShareTables Computation of (Loss) Earnings Per Share (Tables) Tables http://www.quidel.com/role/ComputationOfLossEarningsPerShare 20 false false R21.htm 2304301 - Disclosure - Other Balance Sheet Accounts (Tables) Sheet http://www.quidel.com/role/OtherBalanceSheetAccountsTables Other Balance Sheet Accounts (Tables) Tables http://www.quidel.com/role/OtherBalanceSheetAccounts 21 false false R22.htm 2306301 - Disclosure - Debt (Tables) Sheet http://www.quidel.com/role/DebtTables Debt (Tables) Tables http://www.quidel.com/role/Debt 22 false false R23.htm 2307301 - Disclosure - Stockholders' Equity (Tables) Sheet http://www.quidel.com/role/StockholdersEquityTables Stockholders' Equity (Tables) Tables http://www.quidel.com/role/StockholdersEquity 23 false false R24.htm 2308301 - Disclosure - Industry and Geographic Information (Tables) Sheet http://www.quidel.com/role/IndustryAndGeographicInformationTables Industry and Geographic Information (Tables) Tables http://www.quidel.com/role/IndustryAndGeographicInformation 24 false false R25.htm 2309301 - Disclosure - Commitments and Contingencies Commitments and Contingencies (Tables) Sheet http://www.quidel.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesTables Commitments and Contingencies Commitments and Contingencies (Tables) Tables 25 false false R26.htm 2310301 - Disclosure - Fair Value Measurements (Tables) Sheet http://www.quidel.com/role/FairValueMeasurementsTables Fair Value Measurements (Tables) Tables http://www.quidel.com/role/FairValueMeasurements 26 false false R27.htm 2311301 - Disclosure - Derivatives and Hedging (Tables) Sheet http://www.quidel.com/role/DerivativesAndHedgingTables Derivatives and Hedging (Tables) Tables http://www.quidel.com/role/DerivativesAndHedgingNotes 27 false false R28.htm 2401403 - Disclosure - Summary of Significant Accounting Policies Summary of Significant Accounting Policies Leases (Details) Sheet http://www.quidel.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesLeasesDetails Summary of Significant Accounting Policies Summary of Significant Accounting Policies Leases (Details) Details http://www.quidel.com/role/SummaryOfSignificantAccountingPoliciesSummaryOfSignificantAccountingPoliciesTables 28 false false R29.htm 2402402 - Disclosure - Computation of (Loss) Earnings Per Share - Additional Information (Details) Sheet http://www.quidel.com/role/ComputationOfLossEarningsPerShareAdditionalInformationDetails Computation of (Loss) Earnings Per Share - Additional Information (Details) Details http://www.quidel.com/role/ComputationOfLossEarningsPerShareTables 29 false false R30.htm 2402403 - Disclosure - Computation of (Loss) Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) Sheet http://www.quidel.com/role/ComputationOfLossEarningsPerShareCalculationOfBasicAndDilutedEarningsPerShareDetails Computation of (Loss) Earnings Per Share - Calculation of Basic and Diluted Earnings Per Share (Details) Details http://www.quidel.com/role/ComputationOfLossEarningsPerShareTables 30 false false R31.htm 2404402 - Disclosure - Balance Sheet Account Details Prepaid expenses and other current assets (Details) Sheet http://www.quidel.com/role/BalanceSheetAccountDetailsPrepaidExpensesAndOtherCurrentAssetsDetails Balance Sheet Account Details Prepaid expenses and other current assets (Details) Details 31 false false R32.htm 2404403 - Disclosure - Other Current Liabilities (Details) Sheet http://www.quidel.com/role/OtherCurrentLiabilitiesDetails Other Current Liabilities (Details) Details 32 false false R33.htm 2404404 - Disclosure - Balance Sheet Account Details Inventory (Details) Sheet http://www.quidel.com/role/BalanceSheetAccountDetailsInventoryDetails Balance Sheet Account Details Inventory (Details) Details 33 false false R34.htm 2405401 - Disclosure - Income Taxes (Details) Sheet http://www.quidel.com/role/IncomeTaxesDetails Income Taxes (Details) Details http://www.quidel.com/role/IncomeTaxes 34 false false R35.htm 2406402 - Disclosure - Debt - Convertible Senior Notes, Additional Information (Details) Notes http://www.quidel.com/role/DebtConvertibleSeniorNotesAdditionalInformationDetails Debt - Convertible Senior Notes, Additional Information (Details) Details 35 false false R36.htm 2406403 - Disclosure - Debt - Components of Convertible Senior Notes (Details) Notes http://www.quidel.com/role/DebtComponentsOfConvertibleSeniorNotesDetails Debt - Components of Convertible Senior Notes (Details) Details 36 false false R37.htm 2406404 - Disclosure - Debt - Credit Agreement, Additional Information (Details) Sheet http://www.quidel.com/role/DebtCreditAgreementAdditionalInformationDetails Debt - Credit Agreement, Additional Information (Details) Details 37 false false R38.htm 2407402 - Disclosure - Stockholders' Equity Stock-Based Compensation - Summary of Status of Stock Option Activity (Details) Sheet http://www.quidel.com/role/StockholdersEquityStockBasedCompensationSummaryOfStatusOfStockOptionActivityDetails Stockholders' Equity Stock-Based Compensation - Summary of Status of Stock Option Activity (Details) Details 38 false false R39.htm 2407403 - Disclosure - Stockholders' Equity Stock-Based Compensation - Summary of Status of Stock Awards Activity (Details) Sheet http://www.quidel.com/role/StockholdersEquityStockBasedCompensationSummaryOfStatusOfStockAwardsActivityDetails Stockholders' Equity Stock-Based Compensation - Summary of Status of Stock Awards Activity (Details) Details 39 false false R40.htm 2407404 - Disclosure - Stockholders' Equity - Additional Information (Details) Sheet http://www.quidel.com/role/StockholdersEquityAdditionalInformationDetails Stockholders' Equity - Additional Information (Details) Details 40 false false R41.htm 2407405 - Disclosure - Stockholders' Equity - Compensation Expense Related to Stock-Based Compensation Plans (Details) Sheet http://www.quidel.com/role/StockholdersEquityCompensationExpenseRelatedToStockBasedCompensationPlansDetails Stockholders' Equity - Compensation Expense Related to Stock-Based Compensation Plans (Details) Details 41 false false R42.htm 2407406 - Disclosure - Stockholders' Equity - Estimated Fair Value of Each Stock Option Award (Details) Sheet http://www.quidel.com/role/StockholdersEquityEstimatedFairValueOfEachStockOptionAwardDetails Stockholders' Equity - Estimated Fair Value of Each Stock Option Award (Details) Details 42 false false R43.htm 2408402 - Disclosure - Industry and Geographic Information - Additional Information (Details) Sheet http://www.quidel.com/role/IndustryAndGeographicInformationAdditionalInformationDetails Industry and Geographic Information - Additional Information (Details) Details 43 false false R44.htm 2408403 - Disclosure - Industry and Geographic Information - Sales to Individual Customers in Excess of 10% of Total Revenues (Details) Sheet http://www.quidel.com/role/IndustryAndGeographicInformationSalesToIndividualCustomersInExcessOf10OfTotalRevenuesDetails Industry and Geographic Information - Sales to Individual Customers in Excess of 10% of Total Revenues (Details) Details 44 false false R45.htm 2408404 - Disclosure - Industry and Geographic Information Industry and Geographic Information - Revenue by Category (Details) Sheet http://www.quidel.com/role/IndustryAndGeographicInformationIndustryAndGeographicInformationRevenueByCategoryDetails Industry and Geographic Information Industry and Geographic Information - Revenue by Category (Details) Details 45 false false R46.htm 2409402 - Disclosure - Commitments and Contingencies (Details) Sheet http://www.quidel.com/role/CommitmentsAndContingenciesDetails Commitments and Contingencies (Details) Details http://www.quidel.com/role/CommitmentsAndContingenciesCommitmentsAndContingenciesTables 46 false false R47.htm 2409403 - Disclosure - Commitments and Contingencies Minimum Rentals (Details) Sheet http://www.quidel.com/role/CommitmentsAndContingenciesMinimumRentalsDetails Commitments and Contingencies Minimum Rentals (Details) Details 47 false false R48.htm 2409404 - Disclosure - Commitments and Contingencies Lease Expense (Details) Sheet http://www.quidel.com/role/CommitmentsAndContingenciesLeaseExpenseDetails Commitments and Contingencies Lease Expense (Details) Details 48 false false R49.htm 2410402 - Disclosure - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Sheet http://www.quidel.com/role/FairValueMeasurementsAssetsAndLiabilitiesMeasuredAtFairValueOnRecurringBasisDetails Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) Details 49 false false R50.htm 2410403 - Disclosure - Fair Value Measurements - Additional Information (Details) Sheet http://www.quidel.com/role/FairValueMeasurementsAdditionalInformationDetails Fair Value Measurements - Additional Information (Details) Details 50 false false R51.htm 2410404 - Disclosure - Fair Value Measurements - Changes in Estimated Fair Value of Contingent Consideration Liabilities (Details) Sheet http://www.quidel.com/role/FairValueMeasurementsChangesInEstimatedFairValueOfContingentConsiderationLiabilitiesDetails Fair Value Measurements - Changes in Estimated Fair Value of Contingent Consideration Liabilities (Details) Details 51 false false R52.htm 2411402 - Disclosure - Derivatives and Hedging (Details) Sheet http://www.quidel.com/role/DerivativesAndHedgingDetails Derivatives and Hedging (Details) Details http://www.quidel.com/role/DerivativesAndHedgingTables 52 false false All Reports Book All Reports qdel-20190331.xml qdel-20190331.xsd qdel-20190331_cal.xml qdel-20190331_def.xml qdel-20190331_lab.xml qdel-20190331_pre.xml http://fasb.org/srt/2018-01-31 http://fasb.org/us-gaap/2018-01-31 http://xbrl.sec.gov/dei/2018-01-31 true true